Why sometimes we jump during our sleep, have a sensation of falling and wake up scared?
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Pretty much everyone has experienced this bizarre phenomenon. You are sleeping peacefully, trying to rest before another day of work. But suddenly, you entire body jerks, you feel like you are falling and wake up with your heart beating very fast. Sometimes the hypnic jerk, which is how this phenomenon is called, is so strong you wake up covered in sweat. But why does it happen?
Interestingly enough, despite the fact that hypinc jerk is relatively common, scientists don’t know exact reasons. Hypnic jerk is so common we can safely say that most people have experienced it at least once in their lifetime. And yet we don’t know why, but scientists have been trying to solve this puzzle. It has been noticed that hypnic jerk, also known as sleep twitch or myoclonic jerk, is more common between people with irregular sleeping schedules and between those suffering from anxiety. You are also more likely to experience it sleeping in a new place, on an uncomfortable bed, being nervous about tomorrow, tired from stress and so on.
https://www.technology.org/2018/08/31/why-sometimes-we-jump-during-our-sleep-have-a-sensation-of-falling-and-wake-up-scared/
