If you have had trouble sleeping, you may be willing to try anything. One option is icing your vagus nerve. Using an ice pack, you may be able to unlock better sleep with things in your own home. A new TikTok trends seems to be placing ice on your chest, which can help put you in a more relaxed state that can help you fall into a deep sleep.
Although you cannot believe everything you see on social media, there may be some science behind this hack. Cold therapy on the chest is supposed to stimulate the vagus nerve which is a cranial nerve that runs from the brainstem to the torso. This can help to regulate the body's parasympathetic nervous system (PNS).
The PNS is the "rest and digest" system responsible for putting the body in a calm state. After a stressful day where the fight or flight response is activated, this may be a useful trick to put your mind at ease enough for a good night's sleep.
Continue reading to learn if this trick is for you!