ANCSLEEP BLOG

A cool bedroom is often recommended for better sleep, but there is a difference between a room that is comfortably cool and one that is so cold that it keeps you awake.

If you regularly wake up shivering, keep adding blankets throughout the night, or find yourself adjusting the thermostat every evening, your bedroom temperature may not be optimized for sleep. A programmable thermostat or timer system on an air conditioning unit may help create a more consistent and comfortable environment from day to night.

What Is the Best Temperature for Sleeping?

Sleep experts often recommend a cool bedroom environment. For many adults, a temperature in the range of approximately 60 to 68 degrees Fahrenheit can be comfortable for sleep, although the ideal temperature varies from person to person.

Your body naturally changes temperature throughout the day and night. As bedtime approaches, core body temperature begins to decrease, helping support the transition toward sleep.

Why a Cool Room Can Support Sleep

A bedroom that is too warm may make it difficult for your body to release heat and can contribute to:

• Difficulty falling asleep
• Restless sleep
• Frequent awakenings
• Sweating at night
• Feeling uncomfortable under blankets

Cooler Is Not Always Better

Turning the air conditioner as low as possible does not necessarily improve sleep.

A bedroom that is too cold may also lead to:

• Shivering
• Muscle tension
• Frequent awakenings
• Dryness or discomfort
• Difficulty falling asleep
• Waking up because your blankets have shifted

The goal is to create an environment that helps you stay comfortably cool—not uncomfortably cold.

Can Sleeping in a Room That Is Too Cold Affect Your Sleep?

Yes. While cool temperatures can promote sleep, excessive cold may become disruptive.

Shivering Can Interfere With Relaxation

Shivering is your body's attempt to generate heat. If your body is working to maintain its temperature, it may be more difficult to relax into a comfortable, restful state.

You May Wake Up More Frequently

Even if you do not fully remember waking, discomfort caused by temperature changes may contribute to lighter or more fragmented sleep.

You may spend enough hours in bed but still wake up feeling as though you did not sleep well.

Why Bedroom Temperature May Need to Change Throughout the Day

The temperature that feels comfortable when you are awake may not be the temperature that feels comfortable when you are sleeping.

Your Sleep Environment Changes Overnight

Your needs can also change from one part of the night to another.

For example:

• You may prefer a slightly warmer room before bed.
• Your room may cool naturally overnight.
• The outdoor temperature may drop during the night.
• You may need less air conditioning once you are fully asleep.
• Morning temperatures may become cooler than expected.

A static A/C setting may not always provide the same level of comfort throughout the night.

How A/C Timers Can Help Regulate Temperature

If your air conditioning unit has a timer or programmable setting, you may be able to create a schedule that adjusts the temperature automatically.

Start With a Comfortable Evening Temperature

You may want the room slightly cooler as you prepare for bed but not so cold that you feel uncomfortable.

Program the A/C to Adjust After You Fall Asleep

If your air conditioner tends to make your room too cold overnight, consider using a timer to reduce cooling after you have fallen asleep.

For example, you may:

1. Turn the A/C on before bedtime to cool the room.
2. Set a timer to reduce cooling after several hours.
3. Allow the room to gradually become slightly warmer overnight.

The exact timing will depend on your bedroom, climate, bedding, and personal preferences.

Using a Timer System for Day and Night Temperature Changes

A programmable thermostat or smart A/C system can make it easier to create different temperature settings throughout the day.

Daytime Settings

When you are awake, your preferred temperature may depend on activity level, clothing, sunlight, and outdoor conditions.

You may want a different temperature while:

• Working from home
• Exercising
• Cooking
• Relaxing
• Completing household activities

Evening Settings

As you begin preparing for bed, gradually lowering the temperature may help create a comfortable sleep environment.

Consider Cooling the Room Before Bed

Instead of waiting until you get into bed to turn on the air conditioner, try cooling the bedroom before your intended bedtime.

This may help you enter a comfortable sleep environment rather than waiting for the room to cool after you are already trying to fall asleep.

Overnight Settings

If your room tends to become too cold overnight, program the system to adjust.

You might experiment with:

• Turning the A/C off after several hours
• Increasing the temperature by a few degrees
• Switching to a fan
• Using a thermostat schedule that gradually changes overnight

How to Find the Right Temperature for Your Sleep

The ideal bedroom temperature is personal.

Instead of dramatically changing the thermostat every night, try making small adjustments and paying attention to how you sleep.

Try a Temperature Experiment

For several nights, keep track of:

• Your bedroom temperature
• How quickly you fall asleep
• How often you wake up
• Whether you wake up feeling too hot or cold
• How rested you feel in the morning

Change One Thing at a Time

Try adjusting the temperature by one or two degrees rather than making major changes.

Give yourself several nights to adjust before deciding whether a temperature is working.

Don't Forget About Bedding

Your thermostat is only one part of your sleep environment.

Adjust Your Blankets Before Lowering the A/C

If you are waking up cold, consider whether your bedding is appropriate for the temperature.

You may prefer:

• Lighter sheets
• A thinner blanket
• Layered bedding
• Breathable fabrics
• A heavier comforter

Layering Can Give You More Control

Using multiple light layers may make it easier to adjust your comfort level throughout the night than relying on one very heavy blanket.

Should You Use a Fan at Night?

For some people, a fan can help circulate air and make a room feel more comfortable.

A Fan May Help You Feel Cooler Without Lowering the Thermostat

Air movement can help reduce the feeling of heat, meaning you may not need to set the air conditioner as low.

Avoid Direct Airflow if It Makes You Too Cold

If you regularly wake up feeling cold or uncomfortable, try pointing the fan away from your body or reducing its speed.

The goal is comfortable airflow—not constant cold air blowing directly onto you.

Other Ways to Control Your Bedroom Temperature

You may be able to improve your sleep environment without constantly changing your A/C setting.

Use Curtains or Blinds

Blocking sunlight during the day can help prevent your bedroom from becoming excessively warm.

Keep Doors Closed When Appropriate

Closing doors may help maintain a more consistent temperature in your bedroom, depending on your home's heating and cooling system.

Consider a Smart Thermostat

A programmable or smart thermostat can automatically adjust temperatures based on the time of day.

You may be able to create separate schedules for:

• Morning
• Daytime
• Evening
• Overnight

Automate Your Sleep Environment

Automation may be especially helpful if you frequently forget to adjust the thermostat before bed or wake up because you are too cold.

A consistent schedule can reduce the need to make temperature adjustments in the middle of the night.

When Temperature Is Not the Only Problem

A comfortable bedroom temperature can support good sleep, but it will not treat an underlying sleep disorder.

Consider talking to a healthcare professional if you continue to experience:

• Chronic insomnia
• Excessive daytime sleepiness
• Loud snoring
• Gasping or choking during sleep
• Frequent unexplained awakenings
• Persistent fatigue despite adequate sleep

Learn more about the sleep disorders evaluated and treated by Anchorage Sleep Center.

The Bottom Line

A cool bedroom can support healthy sleep, but a room that is too cold may become just as disruptive as one that is too warm. The best sleep temperature is ultimately the one that allows you to fall asleep comfortably and remain comfortable throughout the night.

Using a programmable thermostat or timer on your air conditioning unit may help regulate your bedroom temperature as your needs change from day to night. Try cooling your room before bed and then adjusting the temperature later in the night to prevent the room from becoming excessively cold.

Small changes, including thermostat timing, airflow, and bedding, can work together to create a more comfortable sleep environment.

Anchorage Sleep Center provides evaluation and treatment for a variety of sleep disorders. If you continue to struggle with poor sleep despite improving your sleep environment, contact Anchorage Sleep Center to learn more about your options.

If you or someone you know struggles with sleep, please click the orange button below for a free online sleep test. 

Working overnight can make healthy eating more challenging. Your work schedule may change when you feel hungry, when you have access to meals, and how easy it is to prepare food in advance. Add fatigue, stress, and limited food options, and it becomes easy to rely on vending machines, fast food, sugary snacks, or large meals at inconvenient times.

But managing your diet while working overnight does not have to mean following a perfect meal plan. A few practical habits can help you make choices that support your energy levels, sleep, and overall health.

Why Is Eating Healthy Harder on the Night Shift?

The body has a natural internal clock, known as the circadian rhythm. This internal clock helps regulate sleep, hormone activity, digestion, metabolism, and other biological processes.

When you work overnight, you are often awake and eating during hours when your body would normally be preparing for sleep. At the same time, you may be trying to sleep during the day when other people are active and food is more readily available.

Shift Work Can Change Hunger and Eating Patterns

Working overnight may contribute to:

• Eating at irregular times
• Skipping meals
• Increased cravings for highly processed foods
• Relying on caffeine for energy
• Eating large meals late in a shift
• Snacking to stay awake

Fatigue can also make planning and preparing healthy meals feel more difficult.

Should You Eat Before Working an Overnight Shift?

For many people, eating a balanced meal before beginning an overnight shift can help provide steady energy.

Aim for a Balanced Pre-Shift Meal

A satisfying meal may include a combination of:

• Protein
• High-fiber carbohydrates
• Healthy fats
• Fruits or vegetables

For example, you might choose:

• Chicken, brown rice, and roasted vegetables
• Salmon with potatoes and a salad
• A grain bowl with beans, vegetables, and avocado
• A turkey sandwich on whole-grain bread with fruit

Avoid Starting Your Shift Extremely Hungry

Going into a long overnight shift without eating may increase the likelihood of intense hunger and impulsive food choices later in the night.

What Should You Eat During an Overnight Shift?

There is no single perfect schedule for night-shift eating. Your ideal meal timing may depend on your work schedule, activity level, health needs, and when you plan to sleep.

However, many overnight workers find that smaller, balanced meals and snacks are easier to manage than one very large meal in the middle of the night.

Choose Foods That Provide Sustained Energy

Consider keeping convenient foods available, such as:

• Greek yogurt
• Eggs
• Nuts or seeds
• Fresh fruit
• Vegetables and hummus
• Whole-grain crackers
• String cheese
• Oatmeal
• Lean protein
• Bean-based snacks

Pair Carbohydrates With Protein

A snack containing carbohydrates and protein may provide more sustained energy than sugary foods alone.

Examples include:

• An apple with peanut butter
• Greek yogurt with fruit
• Whole-grain crackers with cheese
• A banana with a handful of nuts

Try Not to Rely on Sugar for Energy

Sugary drinks and snacks can provide a quick energy boost, but that energy may not last.

Watch Out for the Energy Crash

Foods and beverages high in added sugar may lead to a temporary increase in energy followed by increased hunger or fatigue.

Instead of completely avoiding treats, try to make balanced choices most of the time.

For example, you can pair a sweet snack with protein or fiber to help make it more filling.

How Much Caffeine Should You Have During an Overnight Shift?

Caffeine can help many night-shift workers stay alert, but timing matters.

Consider Your Planned Sleep Time

Caffeine can remain in your system for hours. Having coffee or an energy drink near the end of your shift may make it harder to fall asleep when you get home.

A practical approach is to use caffeine earlier in the shift and reduce or avoid it as your planned bedtime gets closer.

Be Mindful of Caffeine Sources

Caffeine can come from:

• Coffee
• Energy drinks
• Tea
• Soda
• Pre-workout supplements
• Some medications

Pay attention to your total caffeine intake, not just the number of cups of coffee you drink.

What Should You Eat Before Sleeping After a Night Shift?

After finishing an overnight shift, you may be hungry—or you may be too tired to eat.

Avoid Going to Bed Extremely Hungry

If hunger is keeping you awake, a light meal or snack may be helpful.

Consider options such as:

• Oatmeal with fruit
• Greek yogurt
• Eggs and whole-grain toast
• A small sandwich
• A smoothie with protein

Keep the Meal Comfortable and Light

A very large or heavy meal immediately before lying down may cause discomfort for some people and make sleep more difficult.

The goal is not to avoid eating before bed completely. Instead, choose something that satisfies your hunger without leaving you overly full.

Stay Hydrated During Your Shift

It can be easy to forget about hydration when you are busy working overnight.

Keep Water Easily Available

Consider bringing a reusable water bottle to work and drinking regularly throughout your shift.

If plain water feels boring, you might try:

• Sparkling water
• Water with fruit
• Herbal tea
• Other low-sugar beverages

Avoid Drinking Excessive Fluids Right Before Bed

Staying hydrated is important, but drinking large amounts immediately before sleep may lead to frequent bathroom trips and interrupted rest.

Meal Prep Can Make Night Shift Eating Easier

The best healthy meal is often the one that is already available when you need it.

Prepare Food Before Your Shift Begins

Consider preparing meals and snacks on your days off or before you leave for work.

You do not need to cook an entirely different meal for every shift. A few basic ingredients can create multiple meals.

Simple Night-Shift Meal Prep Ideas

Try preparing:

• Grilled chicken or another lean protein
• Roasted vegetables
• Brown rice or another whole grain
• Hard-boiled eggs
• Pre-cut fruit
• Yogurt and individually portioned snacks

Create a Consistent Eating Routine

Your schedule may not always be the same, but creating a general routine can make overnight work feel more manageable.

An Example Overnight Eating Schedule

For a shift that runs from 7 p.m. to 7 a.m., you might consider:

Before Work: 5:30–6:30 p.m.

Eat a balanced meal with protein, carbohydrates, and vegetables.

Mid-Shift: 10 p.m.–12 a.m.

Have a balanced meal or substantial snack.

Later in the Shift: 2–4 a.m.

Choose a lighter snack if you are hungry.

Before Bed: After Your Shift

If needed, have a light meal or snack before going to sleep.

This is only an example. The best schedule is one that works with your hunger, work demands, and sleep schedule.

How to Avoid Eating Out of Fatigue

Sometimes hunger during an overnight shift is genuine. Other times, the urge to snack may be related to boredom, stress, or fatigue.

Pause Before Automatically Reaching for Food

Ask yourself:

• Am I physically hungry?
• Am I tired?
• Am I stressed?
• Am I bored?
• Do I need a break?

If you are genuinely hungry, eat something nourishing. If you are simply tired, food may not provide the energy your body actually needs.

Remember That Food Cannot Replace Sleep

Caffeine, sugar, and snacks may temporarily increase alertness, but they cannot fully compensate for inadequate sleep.

If you are consistently struggling to stay awake, a sleep problem or chronic sleep deprivation may need to be addressed.

Support Your Diet by Prioritizing Sleep

Healthy eating and healthy sleep often support each other.

When you are well rested, it may be easier to plan meals and make intentional food choices. Likewise, eating regular, balanced meals and avoiding excessive caffeine before bed may help support better sleep.

Create a Sleep-Friendly Routine After Your Shift

After work, try to give yourself time to transition toward sleep.

Consider:

• Limiting caffeine near the end of your shift
• Eating a light meal if you are hungry
• Keeping your bedroom dark and quiet
• Following a consistent wind-down routine
• Avoiding stimulating activities before bed

Learn more about how Anchorage Sleep Center can help with sleep disorders and shift-work-related sleep concerns.

When Should Overnight Workers Seek Help for Sleep Problems?

Working overnight can make sleeping during the day difficult. However, persistent sleep problems should not always be considered an unavoidable part of shift work.

Consider talking to a healthcare professional if you experience:

• Excessive daytime or on-the-job sleepiness
• Difficulty sleeping despite having adequate time for sleep
• Frequent insomnia
• Loud snoring or breathing pauses
• Morning headaches
• Difficulty staying awake while driving
• Sleep problems that significantly affect your health or quality of life

A sleep specialist may be able to evaluate whether an underlying sleep disorder is contributing to your symptoms.

Anchorage Sleep Center provides sleep evaluations and treatment options for a variety of sleep disorders.

The Bottom Line

Working overnight can make healthy eating more complicated, but small, consistent habits can make a meaningful difference. Try to plan meals before your shift, choose balanced snacks, use caffeine strategically, stay hydrated, and avoid relying on sugar to replace sleep.

Most importantly, remember that nutrition is only one part of managing overnight work. Getting enough high-quality sleep is essential for your energy, health, and overall well-being.

If you continue to struggle with poor sleep, excessive fatigue, or difficulty staying alert while working overnight, contact Anchorage Sleep Center to learn more about sleep evaluations and treatment options.

Please click the orange button below to take a free online sleep test and talk with one of our sleep health professionals. 

Trying to sleep during a panic attack can feel nearly impossible. Your heart may be racing, your breathing may feel uncomfortable, and your body may be flooded with adrenaline just as you are trying to relax.

For some people, panic attacks happen during the day. For others, episodes of intense fear or panic can occur at night, including after falling asleep. These episodes can disrupt sleep and create a frustrating cycle in which anxiety makes it difficult to sleep and poor sleep makes anxiety harder to manage.

While you may not be able to force yourself to fall asleep during a panic attack, there are steps you can take to help your body calm down and make rest feel more possible.

Can You Sleep During a Panic Attack?

It is possible to fall asleep after a panic attack, but the intense physical and emotional symptoms of panic can make it difficult.

During a panic attack, the body's fight-or-flight response becomes activated. This can lead to symptoms such as:

• A racing or pounding heartbeat
• Rapid breathing or a feeling of shortness of breath
• Sweating or chills
• Trembling or shaking
• Chest discomfort
• Dizziness or lightheadedness
• Nausea
• Feelings of losing control
• Intense fear or a sense of impending danger

Because the body is in a heightened state of alertness, trying to immediately “force” sleep may make you feel even more frustrated.

Focus on Calming Your Body First

Instead of focusing on making yourself fall asleep immediately, focus first on helping your nervous system settle.

Once the physical symptoms begin to decrease, it may be easier to return to bed and rest.

Remind Yourself That the Episode Will Pass

Panic attacks can feel overwhelming, but they are temporary. If you have experienced panic attacks before and recognize the symptoms, gently reminding yourself that the feelings will eventually pass may help reduce the fear of the sensations themselves.

However, it is important not to assume that all chest pain, difficulty breathing, or severe symptoms are caused by anxiety. New or unusual symptoms should be medically evaluated.

How to Calm Down Before Trying to Sleep

Different techniques work for different people. The goal is not to eliminate anxiety instantly but to gradually reduce the intensity of your body's stress response.

Slow Your Breathing

Rapid breathing can contribute to symptoms such as dizziness, tingling, and lightheadedness.

Try breathing at a slow, comfortable pace. You might inhale gently through your nose and exhale slowly without forcing a deep breath. Focus on making your exhale slightly longer than your inhale.

Avoid trying to take repeated, large breaths if doing so makes you feel more dizzy or uncomfortable.

A Simple Breathing Exercise

You can try:

1. Inhale gently for about four seconds.
2. Exhale slowly for about six seconds.
3. Repeat for several minutes.

If counting increases your anxiety, simply focus on slow, comfortable breathing instead.

Try a Grounding Exercise

Grounding techniques can help bring your attention away from frightening thoughts and toward your immediate surroundings.

A common method is the 5-4-3-2-1 technique:

• Name five things you can see.
• Name four things you can feel.
• Name three things you can hear.
• Name two things you can smell.
• Name one thing you can taste.

You do not have to complete the exercise perfectly. The purpose is simply to redirect your attention toward the present moment.

Relax Your Muscles

Panic can cause your muscles to tense without you realizing it.

Try slowly relaxing areas of your body one at a time:

Start With Your Face and Jaw

Unclench your jaw and allow your tongue and facial muscles to relax.

Move Down Through Your Body

Relax your shoulders, hands, stomach, legs, and feet. Notice areas that are tense and allow them to soften gradually.

Should You Stay in Bed During a Panic Attack?

There is no single answer that works for everyone. Some people feel more comfortable remaining in bed, while others find that lying in bed makes them focus more intensely on their symptoms.

If Staying in Bed Makes You More Anxious

Consider getting out of bed and moving to a quiet, comfortable space with low lighting.

Try a calming activity such as:

• Sitting comfortably and practicing slow breathing
• Listening to relaxing audio
• Reading something non-stimulating
• Using a grounding technique
• Gently stretching

Once the intensity of the episode has decreased and you begin to feel sleepy again, return to bed.

Keep the Lights Low

Avoid turning on bright lights or spending long periods scrolling on your phone. Bright light and stimulating content can make it harder for your body to transition back toward sleep.

What Are Nocturnal Panic Attacks?

A nocturnal panic attack occurs when a person wakes from sleep in a state of intense fear or panic.

You May Wake Up Suddenly With Physical Symptoms

A nocturnal panic attack may include:

• A racing heartbeat
• Shortness of breath
• Sweating
• Trembling
• Chest discomfort
• A feeling of impending danger

Because these symptoms happen suddenly, people may worry that they are experiencing a medical emergency.

Panic Symptoms Can Overlap With Other Conditions

Not every sudden nighttime awakening is caused by panic. Sleep apnea, heart rhythm problems, reflux, nightmares, and other medical conditions can cause symptoms that may feel similar.

If you experience new, frequent, or unexplained nighttime episodes, speak with a healthcare professional.

How Poor Sleep Can Make Anxiety Feel Worse

Sleep and anxiety have a two-way relationship.

Poor sleep can make it more difficult to regulate emotions and cope with stress. At the same time, anxiety can make it difficult to fall asleep and stay asleep.

The Anxiety-Sleep Cycle

The cycle may look like this:

1. Anxiety makes it difficult to fall asleep.
2. Poor sleep increases fatigue and emotional sensitivity.
3. Increased stress makes anxiety feel more intense.
4. Fear of another sleepless night creates additional anxiety at bedtime.

Breaking the cycle may require addressing both sleep habits and the underlying anxiety.

What to Do After a Panic Attack at Night

Once the intense symptoms begin to decrease, try to avoid putting pressure on yourself to fall asleep immediately.

Keep Your Environment Calm

Make your bedroom quiet, dark, and comfortable.

Avoid Checking the Clock Repeatedly

Watching the minutes pass can increase anxiety about how much sleep you are losing.

Return to Your Normal Breathing

You do not need to continue a breathing exercise indefinitely. Allow your breathing to return to a comfortable, natural rhythm.

Focus on Rest Rather Than Forcing Sleep

Remind yourself that resting quietly can still be helpful. Often, the pressure to fall asleep can make sleep more difficult.

When to Seek Medical Help

Panic attacks can cause frightening physical symptoms, but it is important to seek medical care when symptoms are new, severe, or unusual.

Seek Emergency Care for Severe or Concerning Symptoms

Call emergency services or seek immediate medical attention for symptoms such as:

• New or severe chest pain
• Severe difficulty breathing
• Fainting or loss of consciousness
• New weakness or neurological symptoms
• Symptoms that feel significantly different from previous panic episodes

Do not assume that a serious medical symptom is “just anxiety.”

Talk to a Healthcare Professional About Recurring Episodes

Consider seeking professional support if you experience:

• Recurrent panic attacks
• Frequent nighttime episodes of panic
• Anxiety that regularly interferes with sleep
• Fear of going to sleep because of panic symptoms
• Persistent insomnia
• Excessive daytime sleepiness

A healthcare professional can help evaluate whether anxiety, a sleep disorder, or another medical condition may be contributing to your symptoms.

When a Sleep Evaluation May Help

If you regularly wake up gasping, choking, or feeling short of breath, a sleep disorder may be contributing to your nighttime symptoms.

Conditions such as sleep apnea can cause sudden awakenings and fragmented sleep. Identifying an underlying sleep problem may be an important part of understanding why you are waking up during the night.

Learn more about sleep disorders evaluated and treated at Anchorage Sleep Center.

Getting Help for Persistent Sleep Problems

Anchorage Sleep Center provides sleep evaluations and diagnostic testing for a variety of sleep-related conditions. If poor sleep, nighttime awakenings, or breathing-related symptoms are affecting your quality of life, a sleep evaluation may help identify potential contributing factors.

The Bottom Line

Sleeping during a panic attack can be difficult because your body is in a state of heightened alertness. Instead of forcing yourself to fall asleep, focus first on calming your body through slow breathing, grounding, muscle relaxation, and a quiet environment.

Once the intensity of the episode decreases, sleep may come more naturally. If panic attacks or nighttime awakenings happen frequently, interfere with your sleep, or involve symptoms such as gasping or breathing pauses, speak with a healthcare professional.

Medical Disclaimer

This article is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Seek emergency medical care for new or severe chest pain, severe breathing difficulty, fainting, or other concerning symptoms. If you are experiencing a mental health crisis or feel you may harm yourself, contact emergency services or a crisis resource in your area immediately.

Please click the orange button below to take a free online sleep test and talk with one of our sleep health professionals. 

After a long day—or a late night—it can be tempting to skip your skincare routine and go straight to bed. Sleeping in makeup occasionally may not cause permanent damage, but making it a regular habit can contribute to clogged pores, irritation, breakouts, and other skin concerns.

But there is another reason to think twice before collapsing into bed with a full face of makeup: poor sleep and skincare habits can affect each other.

What Happens When You Sleep in Makeup?

Throughout the day, makeup mixes with oil, sweat, bacteria, dead skin cells, and environmental pollutants. When makeup is left on overnight, these substances remain on the skin for hours.

Your skin also undergoes important processes while you sleep, making nighttime an ideal time to remove makeup and support your skin's natural barrier.

Clogged Pores and Breakouts

Foundation, concealer, and other complexion products can combine with oil and dead skin cells and contribute to clogged pores. This may increase the risk of:

• Blackheads
• Whiteheads
• Acne breakouts
• Enlarged-looking pores

Is Makeup Always the Cause?

Not necessarily. Acne has many possible causes, including hormones, genetics, stress, skincare products, and certain medications. However, regularly leaving makeup on overnight can create additional conditions that may contribute to clogged pores and irritation.

Sleeping in Eye Makeup Can Cause Irritation

Mascara, eyeliner, and eyeshadow can also create problems when left on overnight.

Your Eyes and Eyelids Are Especially Sensitive

Makeup particles can migrate into the eyes and contribute to irritation, redness, dryness, or discomfort. Sleeping in eye makeup may also increase the buildup of bacteria around the eyelids and eyelashes.

Potential Problems From Sleeping in Mascara

Regularly sleeping in mascara may contribute to:

• Eyelash breakage
• Brittle lashes
• Eye irritation
• Clogged oil glands around the eyelids
• Increased risk of infection

Removing eye makeup gently before bed is an important part of maintaining eye and skin health.

Makeup May Interfere With Your Skin's Overnight Recovery

Your skin acts as a protective barrier throughout the day, facing exposure to sunlight, pollution, sweat, and other environmental stressors.

At night, your skin continues to regulate moisture and undergo normal repair processes. Going to bed with makeup, oil, and environmental debris on the skin may contribute to irritation and make it harder to maintain a healthy skin barrier.

The Importance of a Clean Skin Barrier

A healthy skin barrier helps protect the body from environmental irritants while maintaining moisture.

When the skin barrier becomes irritated or compromised, you may experience:

• Dryness
• Redness
• Sensitivity
• Flaking
• Increased irritation from skincare products

Can Sleeping in Makeup Cause Premature Aging?

The idea that sleeping in makeup will immediately cause wrinkles is an exaggeration. However, repeatedly leaving makeup and environmental pollutants on the skin may contribute to oxidative stress and irritation over time.

The Role of Oxidative Stress

Throughout the day, your skin is exposed to environmental factors that can contribute to oxidative stress, including pollution and ultraviolet radiation.

Removing makeup before bed helps remove some of these substances from the surface of the skin and allows you to apply skincare products to clean skin.

Sleep Is Also Important for Skin Health

Your overall sleep habits may matter just as much as your skincare routine. Chronic sleep deprivation has been associated with changes in skin barrier function and may affect how the skin recovers from environmental stress.

This means your nighttime routine should support both your skin and your sleep.

How Skipping Your Skincare Routine Can Affect Sleep

For many people, a nighttime skincare routine is also part of a healthy transition into sleep.

Routines Can Signal That It Is Time to Wind Down

A consistent bedtime routine can help create a clear separation between daytime activities and sleep.

Removing your makeup, washing your face, and applying your preferred nighttime products may become calming cues that signal to your brain that the day is ending.

A Relaxing Routine Can Support Better Sleep Habits

You do not need an elaborate 12-step routine. A simple routine may be enough:

1. Remove your makeup.
2. Cleanse your skin.
3. Apply moisturizer.
4. Brush your teeth.
5. Dim the lights and prepare for sleep.

Repeating the same steps regularly may help make your transition to bedtime feel more consistent.

What If You Are Too Tired to Remove Your Makeup?

Everyone has nights when they are exhausted. If a full skincare routine feels impossible, focus on the basics.

Keep Makeup Removers Easily Accessible

Consider keeping gentle makeup-removing wipes or micellar water near your bed for nights when you do not have the energy for a complete routine.

However, whenever possible, follow up with a proper cleanser and moisturizer. Makeup wipes may be convenient, but they are not always as effective as thoroughly cleansing the skin.

Make Your Routine Easier

You are more likely to remove your makeup if the process is simple.

Consider:

• Keeping your skincare products together
• Removing your makeup before you become extremely tired
• Using products you enjoy
• Avoiding overly complicated routines

Does Better Sleep Lead to Better-Looking Skin?

Sleep is not a replacement for skincare, but getting adequate rest can support overall health, including the health of your skin.

During sleep, the body carries out many important functions, including processes related to immune regulation and tissue maintenance.

Chronic sleep problems can also affect how you feel and function during the day. If you consistently wake up feeling unrefreshed or struggle to stay awake, it may be worth discussing your symptoms with a healthcare professional.

When Poor Sleep Becomes a Bigger Problem

Occasionally falling asleep before removing your makeup is one thing. Consistently being so exhausted that you cannot complete basic bedtime tasks may be another sign that your sleep deserves attention.

Consider talking to a sleep specialist if you experience:

Excessive Daytime Sleepiness

You regularly struggle to stay awake during the day, even after spending enough time in bed.

Chronic Insomnia

You frequently have difficulty falling asleep, staying asleep, or waking too early.

Loud Snoring or Breathing Pauses

Frequent snoring, gasping, choking, or witnessed pauses in breathing may be signs of sleep apnea.

Persistent Fatigue

Fatigue can have many causes, but persistent tiredness should not simply be ignored.

Learn more about sleep disorders and available treatment options at Anchorage Sleep Center.

The Bottom Line

Sleeping in makeup every once in a while is unlikely to ruin your skin. However, regularly leaving makeup on overnight may contribute to clogged pores, breakouts, skin irritation, and eye problems.

A simple nighttime routine can help protect your skin while also creating a consistent transition toward sleep. If chronic exhaustion is making it difficult to care for yourself at night, the issue may be more than just skincare.

Anchorage Sleep Center provides evaluation and treatment for a range of sleep disorders. If poor sleep is affecting your daily life, consider speaking with a sleep professional about getting the answers you need.

Please click the orange button below to take a free online sleep test and talk with one of our sleep health professionals. 

When people think about fertility, they often focus on age, hormones, nutrition, exercise, and reproductive health. But another important factor may deserve attention: sleep.

Sleep plays a central role in hormone regulation, circadian rhythm, metabolic health, and immune function. Because these processes are also important for reproduction, researchers have increasingly explored whether sleep quality and sleep duration may be connected to sperm and egg health.

The research is still evolving, and poor sleep does not automatically cause infertility. However, growing evidence suggests that chronic sleep disruption and sleep disorders may be associated with changes in reproductive health for both men and women.

How Sleep Affects Reproductive Health

Sleep is an active biological process. During sleep, the body regulates many important systems, including hormone production and the body's internal 24-hour clock, known as the circadian rhythm.

The Connection Between Sleep and Hormones

Reproductive hormones do not function independently from the rest of the body. The systems that regulate sleep, stress, metabolism, and reproduction interact closely.

Disrupted or insufficient sleep may influence hormonal pathways involved in reproduction. Potential mechanisms linking sleep and fertility include changes in:

• Testosterone and other reproductive hormones
• Cortisol and stress responses
• Melatonin production
• Circadian rhythm signaling
• Metabolic health
• Oxidative stress

These relationships are complex, and researchers are still working to determine exactly how changes in sleep translate into changes in fertility.

Sleep and Sperm Health

Sperm production and reproductive hormone regulation may be affected by sleep patterns.

Poor Sleep May Be Associated With Changes in Sperm Quality

Several studies have found associations between sleep disorders and poorer semen parameters. A systematic review and meta-analysis found that sleep disorders were associated with lower total sperm count, sperm concentration, progressive motility, and normal sperm morphology.

What Is Sperm Quality?

Sperm health is typically evaluated using several characteristics, including:

• Sperm count: The number of sperm present
• Concentration: The number of sperm per volume of semen
• Motility: How effectively sperm move
• Morphology: The size and shape of sperm

These factors can all play a role in male fertility, although a semen analysis alone does not determine whether someone can or cannot conceive.

Does Sleep Duration Matter?

Research suggests that both too little and too much sleep may be associated with less favorable reproductive parameters in some studies. However, the evidence does not establish one exact sleep duration that is best for every person.

Some research has found that moderate sleep durations are associated with better semen parameters than very short or very long sleep durations. Observational studies have also found associations between improved sleep patterns and improved sperm counts, although these findings do not prove that sleep changes directly caused the improvement.

Sleep and Egg Health

Sleep may also play a role in female reproductive health and the processes involved in follicle development, ovulation, and egg maturation.

The Circadian Rhythm and the Reproductive System

The body's internal clock helps regulate the timing of many biological processes. Circadian rhythms may influence hormone secretion and reproductive function, which is one reason researchers have studied the effects of sleep disruption, shift work, and irregular sleep schedules on fertility.

Melatonin and Egg Development

Melatonin is commonly associated with sleep because levels typically rise in the evening. However, melatonin also has functions beyond regulating the sleep-wake cycle.

Melatonin is present in follicular fluid and has been studied for its potential role in antioxidant defenses and normal egg maturation. Disrupted sleep and circadian rhythms may alter melatonin signaling, although more research is needed to determine exactly how this affects egg quality and fertility in humans.

Sleep and Fertility Treatment Outcomes

The relationship between sleep and fertility has also been studied in people undergoing assisted reproductive treatments, including IVF.

Some studies have found associations between poor sleep quality and fewer retrieved or matured oocytes, lower fertilization rates, or changes in embryo quality. Other research has found that sleep-disordered breathing, particularly obstructive sleep apnea, may be associated with lower odds of clinical pregnancy and live birth after assisted reproduction.

However, it is important to remember that these studies largely show associations rather than proving that poor sleep directly causes unsuccessful fertility treatment. Many other factors can influence fertility outcomes.

Could Sleep Apnea Affect Reproductive Health?

Obstructive sleep apnea causes repeated interruptions in breathing during sleep. These breathing disruptions can reduce sleep quality and may be associated with changes in oxygen levels, inflammation, metabolic health, and hormone regulation.

Sleep-disordered breathing has been identified as a potential factor in both male and female reproductive health. In a recent systematic review of women undergoing IVF or ICSI, objectively confirmed sleep-disordered breathing was associated with lower odds of clinical pregnancy and live birth.

Signs You May Have Sleep Apnea

Consider discussing your symptoms with a healthcare professional if you experience:

• Loud, frequent snoring
• Witnessed pauses in breathing during sleep
• Gasping or choking at night
• Excessive daytime sleepiness
• Morning headaches
• Difficulty concentrating
• Unrefreshing sleep

Learn more about sleep disorders and diagnostic options at Anchorage Sleep Center.

How Much Sleep Is Best for Reproductive Health?

There is no guaranteed amount of sleep that will optimize fertility. Most healthy adults are generally advised to aim for approximately seven to nine hours of sleep per night.

For reproductive health specifically, research suggests that consistently getting adequate, high-quality sleep and maintaining a regular schedule may be more important than chasing a specific number of hours.

Focus on Sleep Quality, Not Just Sleep Duration

Spending eight hours in bed does not necessarily mean getting eight hours of restorative sleep. Sleep can be disrupted by:

• Sleep apnea
• Insomnia
• Restless legs syndrome
• Chronic stress
• Pain
• Irregular schedules
• Shift work
• Frequent nighttime awakenings

If you consistently feel tired despite spending enough time in bed, an underlying sleep disorder may be contributing to poor sleep quality.

How to Support Healthy Sleep When Trying to Conceive

Sleep is only one piece of reproductive health, but healthy sleep habits may support overall well-being while trying to conceive.

Maintain a Consistent Sleep Schedule

Try to go to bed and wake up at approximately the same time each day. A consistent schedule supports circadian rhythm stability.

Create a Sleep-Friendly Environment

Keep your bedroom dark, quiet, and comfortably cool. Make your sleep environment a place associated primarily with rest.

Limit Caffeine Late in the Day

Caffeine can remain in the body for several hours and may make it harder to fall asleep. Consider avoiding caffeine later in the day if it affects your sleep.

Address Snoring and Breathing Problems

Snoring is common, but frequent loud snoring or breathing pauses should not be ignored. A sleep evaluation can help determine whether sleep apnea or another condition is affecting your sleep.

Anchorage Sleep Center offers diagnostic evaluations and treatment for a range of sleep disorders.

When Should You See a Sleep Specialist?

Consider a sleep evaluation if you are experiencing persistent sleep difficulties, particularly if you also have symptoms such as:

• Chronic insomnia
• Excessive daytime sleepiness
• Loud snoring
• Witnessed pauses in breathing
• Frequent nighttime awakenings
• Restless or unrefreshing sleep
• Difficulty staying alert during the day

Addressing an underlying sleep disorder can improve sleep quality and overall health. While treating a sleep disorder should not be viewed as a guaranteed fertility treatment, sleep health may be an important part of a comprehensive approach to reproductive wellness.

The Bottom Line

Sleep and reproductive health are connected through complex pathways involving hormones, circadian rhythms, metabolism, and other biological systems. Emerging research suggests that chronic sleep disruption and sleep disorders may be associated with changes in sperm quality, egg-related reproductive outcomes, and fertility treatment success.

For individuals trying to conceive, improving sleep should not replace fertility evaluation or medical care. However, paying attention to sleep quality and addressing possible sleep disorders may be an important part of supporting overall reproductive health.

If poor sleep is affecting your daily life, contact Anchorage Sleep Center to learn more about sleep evaluations and available treatment options.

Please click the orange button below to take a free online sleep test and talk with one of our sleep health professionals. 

Sleep and inflammation have a complex, two-way relationship. When inflammation increases in the body, it can affect how long you sleep, how deeply you sleep, and how rested you feel the next day. At the same time, consistently poor or insufficient sleep may influence inflammatory processes and immune function.

This connection helps explain why people with inflammatory conditions may struggle with sleep—and why chronic sleep disorders deserve attention beyond simply feeling tired.

What Is Inflammation?

Inflammation is part of the body's natural immune response. Acute inflammation helps the body respond to injuries and infections. For example, inflammation can cause redness, swelling, warmth, or pain after an injury.

However, inflammation can also become persistent or chronic. Inflammatory signaling involves immune-system molecules, including cytokines, that communicate with different cells throughout the body. Research has shown that cytokines such as interleukin-1, interleukin-6, and tumor necrosis factor are involved in both inflammatory responses and sleep regulation.

How Does Inflammation Affect Sleep?

When the body is fighting an infection or responding to another inflammatory trigger, fatigue and increased sleepiness can occur. This is sometimes referred to as “sickness behavior,” and it may be one reason people often feel like sleeping more when they are ill.

Inflammatory Signals Can Change Sleep Patterns

The immune system communicates with the brain through several pathways, including inflammatory signaling molecules. These signals can influence sleep duration, sleepiness, and sleep architecture—the pattern of different sleep stages throughout the night.

Pain Can Make Sleep More Difficult

Many inflammatory conditions are associated with pain or physical discomfort. Joint pain, muscle aches, swelling, and stiffness can make it difficult to find a comfortable sleeping position or stay asleep throughout the night.

Nasal and Airway Inflammation May Affect Breathing

Inflammation or swelling in the upper airway can contribute to congestion and breathing difficulties. While inflammation is only one factor involved in sleep-disordered breathing, nasal obstruction and upper-airway problems may make restful breathing more difficult for some people.

Can Poor Sleep Increase Inflammation?

The relationship between sleep and inflammation goes both ways. Research suggests that inadequate or disrupted sleep can alter inflammatory signaling and immune function.

In a National Institutes of Health-supported study, adults who restricted their sleep over an extended period showed increased markers associated with inflammation.

The Sleep-Inflammation Cycle

For some people, poor sleep and inflammation may contribute to a frustrating cycle:

1. Inflammation or discomfort disrupts sleep.
2. Poor sleep contributes to fatigue and physiological stress.
3. Sleep disruption may alter immune and inflammatory processes.
4. Ongoing symptoms make restorative sleep even harder to achieve.

Breaking this cycle may require addressing both the underlying medical condition and the sleep problem.

Sleep Disorders Associated With Inflammation

Inflammation does not always directly cause a sleep disorder. However, inflammatory processes may be associated with or contribute to several common sleep-related conditions.

Obstructive Sleep Apnea

Obstructive sleep apnea occurs when breathing repeatedly becomes restricted or stops during sleep. Repeated breathing disruptions can fragment sleep and contribute to excessive daytime sleepiness.

Research has also identified associations between obstructive sleep apnea and inflammatory processes. The relationship is complex, and factors such as obesity, intermittent drops in oxygen levels, and other health conditions may also contribute to inflammation.

Learn more about sleep apnea and other sleep disorders treated at Anchorage Sleep Center.

Insomnia

Insomnia is characterized by persistent difficulty falling asleep, staying asleep, or obtaining restorative sleep despite having an opportunity to sleep.

Chronic insomnia and inflammation have been associated in research, although the relationship may vary between individuals. Stress, pain, medical conditions, medications, and other sleep disorders can also contribute to insomnia.

Anchorage Sleep Center offers information about insomnia and other sleep disorder treatments.

Restless Legs Syndrome

Restless legs syndrome causes an uncomfortable urge to move the legs, often when a person is resting or trying to fall asleep. The condition can significantly interfere with sleep onset and sleep quality.

Although restless legs syndrome is not typically classified simply as an inflammatory condition, inflammatory and immune processes may be relevant in some cases. Other factors, including iron deficiency and certain medical conditions, can also play a role.

Autoimmune and Chronic Inflammatory Conditions

People living with conditions such as rheumatoid arthritis, inflammatory bowel disease, lupus, and other chronic inflammatory illnesses may experience disrupted sleep.

Why Sleep May Be Difficult

Several symptoms can interfere with rest, including:

• Chronic pain
• Joint stiffness
• Gastrointestinal symptoms
• Fatigue
• Stress and anxiety related to chronic illness
• Medication effects

The result may be a combination of increased fatigue and reduced sleep quality that can significantly affect daily life.

How to Tell if a Sleep Disorder May Be Contributing to Your Symptoms

Fatigue can be caused by many medical conditions, including inflammation. However, persistent tiredness does not always mean that inflammation is the only explanation.

You may benefit from a sleep evaluation if you experience:

Excessive Daytime Sleepiness

Feeling tired throughout the day despite spending enough time in bed may be a sign of an underlying sleep disorder.

Loud Snoring or Breathing Pauses

Snoring, gasping, choking, or witnessed pauses in breathing may indicate obstructive sleep apnea.

Difficulty Falling or Staying Asleep

Chronic sleep difficulties should be evaluated, particularly when they interfere with daytime functioning or quality of life.

Frequent Nighttime Awakenings

Repeated awakenings may be related to pain, breathing disturbances, movement disorders, or other sleep problems.

Why a Sleep Evaluation Matters

When inflammation, fatigue, and poor sleep occur together, it can be difficult to identify the primary cause without a thorough evaluation.

A sleep specialist can help determine whether an underlying sleep disorder is contributing to symptoms. Depending on the situation, diagnostic testing may be recommended to evaluate breathing, sleep stages, body movements, and other factors affecting sleep.

Anchorage Sleep Center is a full-service diagnostic and treatment center for a range of sleep disorders, including sleep apnea, insomnia, narcolepsy, restless legs syndrome, and parasomnias.

Supporting Healthy Sleep When You Have Inflammation

Treatment should always focus on the underlying cause of inflammation and be guided by your healthcare team. However, healthy sleep habits may support better sleep quality.

Keep a Consistent Sleep Schedule

Try to go to bed and wake up at approximately the same time each day. A consistent schedule can support your natural sleep-wake rhythm.

Create a Comfortable Sleep Environment

Adjusting your mattress, pillows, room temperature, and sleeping position may help reduce discomfort caused by pain or stiffness.

Manage Underlying Symptoms

Follow your healthcare provider's recommendations for treating inflammatory conditions, pain, congestion, or other symptoms that may be interfering with sleep.

Limit Stimulants Before Bed

Caffeine and other stimulants can make it harder to fall asleep. Consider limiting caffeine later in the day.

Don't Ignore Chronic Sleep Problems

If sleep difficulties continue despite good sleep habits, the problem may require a medical evaluation. Sleep disorders are common and can occur alongside other medical conditions.

The Bottom Line

Inflammation and sleep are closely connected. Inflammatory processes can affect sleep quality, while chronic sleep disruption may influence immune and inflammatory signaling. For people living with inflammatory conditions, treating sleep as part of overall health may be an important step toward improving quality of life.

If you have persistent difficulty sleeping, unexplained daytime fatigue, snoring, or other symptoms of a sleep disorder, Anchorage Sleep Center can help you explore your options for evaluation and treatment.

Please click the orange button below to take a free online sleep test and talk with one of our sleep health professionals. 

Tremors can make everyday activities more difficult, but they can also affect something people may not immediately connect to neurological symptoms: sleep. Whether tremors occur while a person is awake, during sleep, or seem to worsen after a poor night of rest, understanding the relationship between tremors and sleep can help patients know when to seek additional evaluation.

What Are Tremors?

A tremor is an involuntary, rhythmic movement or shaking of part of the body. Tremors can affect the hands, arms, head, voice, legs, or other areas of the body. They may occur at rest, during movement, or while holding a particular position.

Tremors can have many possible causes, including essential tremor, Parkinsonian syndromes, medication effects, excessive caffeine, alcohol withdrawal, anxiety, metabolic conditions, and other neurological disorders. Because the cause of a tremor can vary widely, new or changing symptoms should be evaluated by a qualified healthcare professional.

How Can Tremors Affect Sleep?

Tremors and sleep can influence each other in several ways. A person may experience difficulty falling asleep because of shaking or discomfort, while poor sleep can make some neurological symptoms more noticeable during the day.

Sleep Loss May Make Tremors Feel Worse

A poor night of sleep does not necessarily cause a tremor, but fatigue and sleep deprivation can make existing tremors more difficult to manage or more noticeable. When the body and nervous system are under stress, symptoms such as shakiness may become more apparent.

The Role of Stress and Fatigue

Sleep deprivation can also increase stress, anxiety, and fatigue. These factors may contribute to a cycle in which:

• Tremor symptoms make it harder to relax
• Difficulty relaxing delays sleep
• Poor sleep increases daytime fatigue
• Fatigue and stress make tremors feel more noticeable

Breaking this cycle may require addressing both the sleep problem and the underlying cause of the tremor.

Do Tremors Continue During Sleep?

Many common tremors decrease substantially or disappear during certain stages of sleep. However, a person may still experience abnormal movements at night that can be mistaken for tremors.

Movements That Can Be Confused With Tremors

Several sleep-related conditions can cause movements that a person or bed partner may describe as shaking, twitching, jerking, or trembling.

Restless Legs Syndrome

Restless legs syndrome causes an uncomfortable urge to move the legs, often during periods of rest or in the evening. The symptoms may interfere with falling asleep and can significantly affect sleep quality.

Periodic Limb Movements During Sleep

Some people experience repetitive movements of the legs or arms while asleep. These movements may briefly disrupt sleep, even if the individual does not fully remember waking.

Sleep-Related Movement Disorders

Other movement disorders can cause jerking, kicking, repetitive movements, or unusual behaviors during sleep. A bed partner may be the first person to notice these symptoms.

REM Sleep Behavior Disorder

During normal REM sleep, the body's muscles are largely relaxed. In REM sleep behavior disorder, a person may physically act out dreams, sometimes with sudden or vigorous movements. This differs from a typical daytime tremor and may require neurological evaluation.

Why a Sleep Evaluation May Be Helpful

When unusual movements occur during sleep, it can be difficult to determine what is happening based on symptoms alone. An overnight sleep study can provide valuable information about sleep stages and nighttime body movements.

Anchorage Sleep Center offers sleep studies that monitor brain activity, eye movements, muscle activity, heart activity, breathing, and blood oxygen levels. This information can help sleep specialists better understand patterns occurring throughout the night. Learn how sleep studies work at Anchorage Sleep Center

What a Sleep Study Can Evaluate

Depending on the symptoms and the type of evaluation ordered, a sleep study may help identify:

• Sleep-related movement disorders
• Repetitive limb movements
• Breathing abnormalities during sleep
• Sleep fragmentation
• Changes in sleep architecture
• Other factors that may contribute to poor-quality sleep

Anchorage Sleep Center provides sleep consultations, sleep studies, and follow-up care for a range of sleep disorders. Explore Anchorage Sleep Center's sleep solutions

When Should You Talk to a Doctor?

You should consider discussing your symptoms with a healthcare professional if you experience:

New or Worsening Tremors

A new tremor or a noticeable change in an existing tremor should be evaluated, particularly when symptoms interfere with daily activities.

Shaking or Abnormal Movements During Sleep

Repeated kicking, jerking, shaking, or other unusual nighttime movements may warrant further evaluation.

Persistent Daytime Sleepiness

Feeling excessively tired despite spending enough time in bed may indicate an underlying sleep disorder.

Difficulty Falling or Staying Asleep

Chronic insomnia can worsen daytime fatigue and may coexist with other sleep or neurological conditions. Because symptoms can overlap, identifying the underlying cause is important.

What You Can Do to Support Better Sleep

While treatment depends on the underlying cause of a tremor or sleep problem, healthy sleep habits may help support overall sleep quality.

Maintain a Consistent Sleep Schedule

Going to bed and waking up at approximately the same time each day can support the body's natural sleep-wake rhythm.

Limit Stimulants

Caffeine and other stimulants may increase alertness and, in some people, make shakiness more noticeable. Consider limiting stimulants later in the day.

Create a Relaxing Evening Routine

Quiet activities before bed can help your body transition toward sleep. Try dimming lights and reducing stimulating screen time before bedtime.

Keep a Symptom Journal

Tracking when tremors occur, what seems to worsen them, and how well you are sleeping may help your healthcare provider identify patterns.

The Bottom Line

Tremors and sleep are connected in complex ways. Poor sleep may make tremors feel more pronounced, while tremors or other nighttime movement disorders can interfere with restful sleep. Because shaking during sleep is not always the same as a daytime tremor, a thorough evaluation may be necessary to determine what is happening.

Anchorage Sleep Center provides diagnostic evaluation and treatment for a wide range of sleep disorders, including restless legs syndrome and parasomnias.

Learn more about Anchorage Sleep Center

If unusual movements or poor sleep are affecting your quality of life, consider speaking with a healthcare professional about whether a sleep evaluation may be appropriate.

Schedule a Sleep Evaluation

If you are experiencing persistent sleep problems or unusual movements during sleep, the first step is getting answers. Contact Anchorage Sleep Center to learn more about scheduling an evaluation or sleep study.

Have you ever wondered why you become increasingly tired the longer you stay awake?

Your body has several systems that help regulate when you feel alert and when you feel ready for sleep. One of the most important is adenosine, a chemical that gradually accumulates in the brain while you are awake and contributes to the growing pressure to sleep.

Adenosine helps explain why you may feel relatively alert in the morning but increasingly sleepy as the day goes on. It also helps explain why caffeine can temporarily make you feel more awake, even when your body is already tired.

Understanding adenosine provides a useful look at the biology behind sleep pressure, why naps can sometimes interfere with nighttime sleep, and why consistent sleep habits matter.

What Is Adenosine?

Adenosine is a naturally occurring chemical that plays several important roles throughout the body. It is involved in cellular energy metabolism and also acts as a signaling molecule in the brain.

One of its most important functions for sleep is helping regulate sleep-wake balance.

As you remain awake and your brain continues using energy, adenosine gradually accumulates. Increasing adenosine activity contributes to feelings of fatigue and sleepiness.

ANC Sleep discusses this process in How Neurotransmitters Orchestrate Our Slumber, which explains how adenosine acts as an important signal for sleep pressure.

Adenosine Is Part of Your Sleep Drive

Your sleep drive, also called sleep pressure, is the biological urge to sleep that builds the longer you remain awake.

Think of it like a battery that gradually runs down throughout the day.

When you wake up after a good night's sleep, your sleep drive is relatively low. As the day progresses, it increases.

Eventually, the accumulation of sleep pressure helps make you feel ready for bed.

ANC Sleep's article What Is Sleep Drive and How to Increase It? provides a more detailed explanation of this process.

How Does Adenosine Make You Sleepy?

Adenosine doesn't simply "turn off" the brain.

Instead, it interacts with specific receptors in the nervous system and influences neural activity in ways that promote sleepiness.

As adenosine accumulates during wakefulness, it contributes to the sensation that your body and brain need rest.

What Happens During Sleep?

When you sleep, adenosine levels decrease.

This is one reason you generally feel less sleepy after getting adequate restorative sleep.

As sleep reduces the accumulated sleep pressure, you wake up with a lower level of adenosine signaling and are able to remain awake for another day.

Then the cycle begins again:

Wakefulness → adenosine accumulates → sleep pressure increases → sleep → adenosine decreases → wakefulness

This process is one component of the body's overall sleep regulation system.

Adenosine vs. Your Circadian Rhythm

Adenosine is important, but it isn't the only system controlling when you sleep.

Your sleep-wake cycle is regulated by two major processes:

Sleep pressure: The longer you're awake, the more sleep pressure builds.

Circadian rhythm: Your internal biological clock determines when your body is naturally more alert or sleepy based on the time of day.

These systems work together.

Sleep Pressure and Circadian Timing Work Together

Imagine that you stay awake all day.

By nighttime, your adenosine levels and sleep pressure are high. At the same time, your circadian rhythm is moving toward its biological nighttime phase.

Together, these signals make it much easier to fall asleep.

However, the two systems can become misaligned.

For example, someone who works overnight may have high sleep pressure during the daytime but a circadian rhythm that promotes wakefulness.

Similarly, someone who naps for several hours in the late afternoon may reduce their sleep pressure and then struggle to fall asleep at their usual bedtime.

How Does Caffeine Affect Adenosine?

Caffeine is one of the best-known substances that interacts with the adenosine system.

When you drink coffee, tea, energy drinks, or other caffeinated beverages, caffeine can bind to adenosine receptors.

Caffeine Blocks Adenosine's Effects

Caffeine does not eliminate the adenosine that has accumulated in your brain.

Instead, it blocks adenosine receptors, making it more difficult for adenosine to produce its usual sleep-promoting effects.

The result is increased alertness and reduced perception of fatigue.

This explains why you can feel more awake after drinking coffee even though your body may still have substantial sleep pressure.

What Happens When Caffeine Wears Off?

Eventually, caffeine is metabolized and its effects diminish.

The accumulated adenosine can once again interact with its receptors.

This can contribute to the familiar feeling of suddenly becoming very tired after caffeine wears off.

If you regularly consume caffeine throughout the day, you may temporarily mask sleepiness without actually eliminating the underlying need for sleep.

For more information, read Caffeine and Sleep.

Can Caffeine Interfere With Sleep Pressure?

Yes.

Caffeine can temporarily suppress the sensation of sleepiness by blocking adenosine receptors.

If you consume caffeine too close to bedtime, you may still have significant caffeine circulating in your system when you're trying to sleep.

This can make it harder to fall asleep or reduce sleep quality.

How Long Does Caffeine Affect Adenosine?

The effects of caffeine vary between individuals.

Caffeine is metabolized at different rates depending on genetics, medications, pregnancy, liver function, and other factors.

This means one person may be able to drink coffee in the afternoon without noticing much effect, while another person may have difficulty sleeping after consuming caffeine several hours earlier.

If you're sensitive to caffeine, an earlier daily cutoff may be helpful.

What Happens to Adenosine When You Nap?

Napping can reduce sleep pressure because some of the accumulated sleep drive is relieved during sleep.

This isn't necessarily a bad thing.

Short naps can improve alertness and reduce fatigue, particularly when you're sleep deprived.

However, long or late naps can sometimes make it more difficult to fall asleep at night because they reduce the amount of sleep pressure you've accumulated.

Why Long Naps Can Affect Nighttime Sleep

Imagine that you normally go to bed at 10 p.m.

By 6 p.m., you've accumulated significant sleep pressure.

But if you take a three-hour nap from 5 p.m. to 8 p.m., you've partially discharged that sleep pressure.

At 10 p.m., you may no longer feel as sleepy.

This is one reason ANC Sleep recommends avoiding excessively long or late naps in What Is Sleep Drive and How to Increase It?.

Can Exercise Increase Adenosine?

Physical activity increases energy use and can contribute to the buildup of adenosine.

This is one reason physical activity may support healthy sleep.

Exercise can also reduce stress, support circadian rhythms, and improve overall health.

You Don't Need an Intense Workout

Regular movement can be beneficial even if you aren't doing high-intensity exercise.

Walking, light physical activity, gardening, stretching, and other forms of movement can contribute to healthy sleep habits.

Read more about How Light Physical Activity Impacts Sleep.

How Does Sleep Clear Adenosine?

During sleep, the brain's sleep pressure decreases as adenosine is metabolized and its signaling changes.

This contributes to the feeling of restoration that follows adequate sleep.

However, sleep isn't simply a process of "clearing toxins."

Sleep is a highly active biological state involving changes in brain activity, hormone regulation, metabolism, memory processing, and other physiological functions.

Why One Night of Poor Sleep Can Matter

If you don't get enough sleep, you may not adequately reduce your accumulated sleep pressure.

The following day, you may experience:

• Increased sleepiness
• Difficulty concentrating
• Slower reaction times
• Irritability
• Reduced motivation
• Difficulty with memory
• Increased reliance on caffeine

This is one reason chronic sleep deprivation can have significant consequences for daytime functioning.

ANC Sleep's How to Improve Your Poor Sleep Hygiene provides additional strategies for establishing habits that support adequate sleep.

How Can You Support Healthy Adenosine and Sleep Pressure?

You don't need to manipulate adenosine directly to support healthy sleep.

Instead, focus on habits that allow your natural sleep-wake system to work effectively.

Maintain a Consistent Sleep Schedule

Going to bed and waking up around the same time each day helps your body establish predictable sleep and wake patterns.

Consistency also makes it easier to recognize when your sleep pressure is naturally building.

Avoid Excessive Napping

If you have difficulty sleeping at night, consider limiting naps.

If you need one, a relatively short nap earlier in the day may be less likely to interfere with nighttime sleep than a long evening nap.

Limit Caffeine Later in the Day

Because caffeine blocks adenosine receptors, consuming it late in the day may interfere with your body's natural sleep drive.

Consider establishing an afternoon caffeine cutoff if you're having trouble sleeping.

Stay Active During the Day

Regular physical activity can support healthy sleep pressure while also providing benefits for cardiovascular health, mood, and overall well-being.

Create a Consistent Wind-Down Routine

Your brain benefits from predictable signals that bedtime is approaching.

Reading, stretching, taking a warm shower, practicing relaxation techniques, or listening to calming music can help you transition into sleep.

For more strategies, see What Is Sleep Hygiene?.

What If You Feel Tired but Can't Sleep?

Feeling tired doesn't always mean you'll immediately fall asleep.

Sleep depends on the interaction between sleep pressure, your circadian rhythm, your environment, and your level of mental and physical arousal.

Stress and anxiety, for example, can keep the brain alert even when sleep pressure is high.

Avoid Trying to Force Sleep

If you're lying awake and becoming increasingly frustrated, repeatedly checking the clock can increase anxiety about sleep.

Instead, focus on creating conditions that allow sleep to occur naturally.

If you cannot fall asleep after spending a significant amount of time awake, getting out of bed briefly and doing something quiet in dim light may be helpful.

If difficulty falling asleep is persistent, learn more about prolonged sleep latency and strategies for better sleep.

Is Adenosine the Only Reason You Feel Sleepy?

No.

Adenosine is an important component of sleep pressure, but sleepiness is influenced by many biological and environmental factors.

These include:

• Circadian rhythm
• Sleep duration
• Sleep quality
• Hormones
• Age
• Medications
• Physical activity
• Stress
• Light exposure
• Medical conditions
• Sleep disorders

This is why feeling sleepy at a particular time isn't determined by adenosine alone.

When Should You Talk to a Sleep Specialist?

Occasional fatigue is normal.

However, persistent sleepiness despite getting enough time in bed may indicate that something else is interfering with your sleep.

Consider talking with a healthcare professional if you:

• Feel excessively sleepy during the day
• Regularly struggle to fall asleep
• Frequently wake during the night
• Snore loudly
• Wake up gasping or choking
• Have witnessed pauses in breathing
• Need large amounts of caffeine to stay awake
• Fall asleep unintentionally during the day

An underlying sleep disorder, such as sleep apnea, insomnia, or a circadian rhythm disorder, may be contributing to excessive sleepiness.

The Bottom Line

Adenosine is one of the body's key regulators of sleep pressure.

As you stay awake, adenosine gradually accumulates and contributes to increasing sleepiness. During sleep, that sleep pressure decreases, allowing you to wake up and begin another cycle of wakefulness.

Caffeine temporarily interferes with this process by blocking adenosine receptors, which is why coffee can make you feel more alert even when your body still needs sleep.

Adenosine also works alongside your circadian rhythm, physical activity, sleep schedule, and other biological systems to regulate when you feel awake and when you feel tired.

You don't need to directly manipulate adenosine to improve your sleep. Maintaining a consistent sleep schedule, getting regular daytime activity, limiting caffeine later in the day, avoiding excessive naps, and practicing good sleep hygiene can all help your natural sleep drive work as intended.

If you consistently feel excessively sleepy or struggle to sleep despite making healthy changes, consider talking with a sleep professional to determine whether an underlying sleep disorder may be contributing.

Please click the orange button below to take a free online sleep test and talk with one of our sleep health professionals. 

Cortisol is often called the "stress hormone," but its role in the body is much more complicated than simply responding to stressful situations.

Cortisol helps regulate metabolism, blood pressure, immune function, alertness, and the body's response to stress. It also follows a predictable daily pattern that is closely connected to your circadian rhythm.

Your circadian rhythm is your body's internal 24-hour clock. It helps coordinate sleep, wakefulness, hormone production, body temperature, metabolism, and other biological processes.

When your circadian rhythm is functioning normally, cortisol levels typically rise and fall at predictable times throughout the day. When the circadian system becomes disrupted, cortisol patterns can also change.

Understanding the relationship between cortisol and your circadian rhythm can help explain why irregular schedules, nighttime work, chronic stress, and poor sleep can sometimes leave you feeling tired during the day but wide awake at night.

What Is Cortisol?

Cortisol is a steroid hormone produced by the adrenal glands.

It plays an important role in helping your body respond to physical and psychological demands.

Cortisol helps:

• Regulate blood sugar
• Support blood pressure
• Influence metabolism
• Modulate immune function
• Promote alertness
• Support the body's response to stress
• Help regulate the sleep-wake cycle

Although cortisol is often associated with stress, you need cortisol every day to function normally.

Cortisol Is Not "Bad"

The goal isn't to eliminate cortisol.

Cortisol is essential for health. The problem occurs when cortisol levels are consistently too high, too low, or released at inappropriate times.

Timing matters.

Your body is designed to produce more cortisol at certain times of day and less at others.

What Is the Circadian Rhythm?

Your circadian rhythm is an internal biological clock that operates on an approximately 24-hour cycle.

It helps coordinate many processes, including:

• Sleep and wakefulness
• Hormone production
• Body temperature
• Appetite
• Metabolism
• Alertness
• Digestion

Your brain's suprachiasmatic nucleus (SCN) acts as the body's primary circadian clock.

Light is one of the most powerful signals that keeps this clock synchronized with the outside world.

Learn more about this process in How Does Light Affect Sleep?.

Your Circadian Rhythm Doesn't Only Control Sleep

It can be tempting to think of the circadian rhythm as simply your sleep schedule.

In reality, your circadian system coordinates biological processes throughout your entire body.

Hormones such as cortisol and melatonin follow daily patterns that help your body transition between wakefulness and sleep.

How Does Cortisol Follow a Circadian Rhythm?

Cortisol normally follows a predictable daily pattern called the diurnal cortisol rhythm.

In general, cortisol levels begin increasing during the latter part of the night and rise around the time you wake up.

Cortisol typically reaches one of its highest levels in the morning and gradually decreases throughout the day.

By nighttime, cortisol levels should generally be much lower.

This pattern helps promote alertness during the day while allowing your body to transition toward rest at night.

The Cortisol Awakening Response

One important component of the daily cortisol pattern is the cortisol awakening response (CAR).

Cortisol levels typically increase substantially during the first 30–45 minutes after waking.

This increase is thought to help prepare the body for the demands of the day.

It is one reason you naturally experience a transition from sleep to alertness in the morning.

How Does Cortisol Affect Sleep?

Cortisol and sleep have a bidirectional relationship.

Your circadian system influences cortisol production, while cortisol can influence your ability to sleep.

Ideally, cortisol levels are relatively low at night.

If cortisol remains elevated when you're trying to sleep, it may contribute to increased alertness and difficulty winding down.

High Cortisol at Night Can Promote Alertness

Cortisol is designed to help you stay alert.

That's useful during the day but counterproductive at bedtime.

Elevated nighttime cortisol may contribute to:

• Difficulty falling asleep
• Restlessness
• Frequent nighttime awakenings
• Feeling "wired but tired"
• Early morning awakenings
• Poor sleep quality

ANC Sleep explores this relationship in How Chronic Stress Disrupts the Hormones That Control Your Sleep.

What Happens When Your Circadian Rhythm Is Disrupted?

Your circadian rhythm depends on consistent environmental signals.

These include:

• Light exposure
• Sleep timing
• Meal timing
• Physical activity
• Social activity

When these signals become inconsistent, your internal clock can become misaligned.

Shift Work

People who work overnight or rotating shifts may sleep during the day and remain awake at night.

This reverses the typical relationship between environmental cues and sleep.

The body may still produce cortisol according to its internal clock even when the person's schedule requires them to sleep.

Over time, this mismatch can contribute to fatigue and difficulty sleeping.

Jet Lag

Travel across multiple time zones can also temporarily disrupt your circadian rhythm.

Your internal clock remains aligned with your previous time zone while the external environment has changed.

It may take several days for your biological rhythms to adjust.

Irregular Sleep Schedules

You don't have to work night shifts to disrupt your circadian rhythm.

Frequently changing your bedtime and wake time can also make it more difficult for your body to maintain a consistent rhythm.

Sleeping until noon on weekends after waking at 6 a.m. during the workweek is one example of a schedule that can create significant differences in daily timing.

How Does Chronic Stress Affect Cortisol and Circadian Rhythm?

Stress and circadian rhythms are closely connected.

Acute stress temporarily activates the body's stress response. Once the stressful event passes, cortisol levels should gradually return toward baseline.

Chronic stress is different.

Chronic Stress Can Alter Cortisol Patterns

When stress persists for weeks or months, the body's stress-response system can become dysregulated.

Rather than simply having "high cortisol," some people may develop changes in the normal timing or pattern of cortisol release.

This may contribute to sleep problems, which can further disrupt circadian regulation.

The result can become a cycle:

Chronic stress → disrupted sleep → circadian disruption → altered cortisol rhythm → more difficulty sleeping

Learn more about the relationship between stress and sleep in How Chronic Stress Impacts REM Sleep.

Cortisol and Melatonin: Two Hormones With Opposing Rhythms

Cortisol isn't the only hormone involved in the sleep-wake cycle.

Melatonin is another important circadian hormone.

Melatonin production typically increases in the evening as your body prepares for sleep. Cortisol generally follows the opposite pattern, decreasing throughout the day and reaching relatively low levels at night.

You can think of these hormones as part of a coordinated transition:

Morning: Cortisol rises → alertness increases

Evening: Cortisol decreases + melatonin increases → sleepiness increases

This isn't a simple "cortisol versus melatonin" switch, but the timing of both hormones contributes to the body's transition between wakefulness and sleep.

Why Timing Matters

If your internal clock is disrupted, the timing of cortisol and melatonin release may become less aligned with your desired sleep schedule.

For example, exposure to bright light late at night may signal to your brain that it is still daytime, potentially delaying the normal biological processes associated with sleep.

Can Poor Sleep Increase Cortisol?

Yes, sleep deprivation and fragmented sleep can affect the body's stress-response system.

After inadequate sleep, some people experience changes in cortisol regulation and increased physiological stress.

This creates another potentially self-reinforcing cycle:

Poor sleep → altered stress regulation → increased physiological arousal → more difficulty sleeping

This is one reason chronic sleep deprivation can affect much more than your energy level.

For additional information, read Sleep Quality and Mental Health: Why Rest Is Key to Emotional Wellness.

How Can You Support a Healthy Cortisol Rhythm?

You don't need to measure your cortisol every day to support healthy circadian function.

Instead, focus on the environmental and behavioral signals that help regulate your internal clock.

Get Bright Light in the Morning

Morning light is one of the strongest signals for synchronizing your circadian rhythm.

Try spending time outside soon after waking, particularly if possible.

Even a short morning walk can combine light exposure with physical activity.

Keep a Consistent Wake Time

Your wake time is an important anchor for your circadian rhythm.

Try to wake at approximately the same time each day, including weekends.

You don't have to maintain a perfectly identical schedule, but large differences can make circadian regulation more difficult.

Exercise During the Day

Regular physical activity can support healthy sleep and circadian function.

You don't need an intense workout.

Walking, stretching, gardening, and other light activities can provide beneficial daytime movement.

Learn more about how light physical activity impacts sleep.

Reduce Bright Light at Night

Bright light exposure late in the evening can interfere with the body's preparation for sleep.

Consider dimming the lights in your home during the hour or two before bed.

You can also reduce screen exposure or use night-mode settings when appropriate.

Avoid Excessive Caffeine Late in the Day

Caffeine can increase alertness and make it more difficult to fall asleep.

If you regularly consume caffeine throughout the afternoon or evening, experiment with an earlier cutoff.

Read more about caffeine and sleep.

Create a Consistent Bedtime Routine

A predictable wind-down routine can help signal that the active portion of your day is ending.

Your routine might include:

• Taking a warm shower
• Reading
• Gentle stretching
• Listening to calming music
• Journaling
• Practicing relaxation techniques

For additional strategies, see these sleep hygiene tips for better sleep.

Can You Tell if Your Cortisol Is Disrupted?

You generally cannot determine your cortisol pattern based solely on symptoms.

Symptoms such as fatigue, difficulty sleeping, anxiety, or changes in energy can have many potential causes.

Cortisol testing may sometimes be appropriate for specific medical concerns, but testing is not routinely necessary simply because someone has difficulty sleeping or feels stressed.

Don't Assume Every Sleep Problem Is a Cortisol Problem

"Cortisol imbalance" has become a popular explanation for many symptoms online.

However, sleep problems can have numerous causes, including:

• Insomnia
• Sleep apnea
• Restless legs syndrome
• Circadian rhythm disorders
• Medication effects
• Anxiety
• Depression
• Chronic pain
• Hormonal changes
• Environmental factors

If sleep problems persist, a healthcare professional or sleep specialist can help determine what may be contributing to them.

When Should You Talk to a Doctor?

Consider speaking with a healthcare professional if you consistently:

• Have difficulty falling asleep
• Wake frequently during the night
• Wake too early
• Feel excessively tired during the day
• Have significant changes in your sleep schedule
• Work overnight or rotating shifts
• Experience persistent anxiety or stress
• Have symptoms that interfere with daily functioning

A sleep evaluation may be appropriate if you have symptoms such as loud snoring, gasping during sleep, witnessed pauses in breathing, or significant daytime sleepiness.

The Bottom Line

Cortisol and your circadian rhythm are closely connected systems that help regulate alertness, sleep, metabolism, and the body's response to stress.

Cortisol normally follows a predictable daily pattern, rising around the time you wake and gradually declining throughout the day. At night, lower cortisol levels help create an environment conducive to sleep.

Chronic stress, irregular schedules, nighttime light exposure, shift work, and insufficient sleep can disrupt this carefully coordinated system.

The good news is that simple habits can help reinforce a healthy circadian rhythm. Morning light, consistent sleep and wake times, daytime physical activity, reduced nighttime stimulation, and healthy sleep habits can all provide your body with stronger signals about when to be awake and when to sleep.

If persistent sleep problems continue despite these changes, don't assume that cortisol is necessarily the cause. A healthcare professional or sleep specialist can help identify the underlying issue and determine whether further evaluation is appropriate.

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