11 Mysterious Things That Occur While You Sleep

At night we’d like to sleep peacefully and restore energy. Nevertheless, it is difficult to find a person who has never encountered some strange and unpleasant sensations accompanying sleep.

Bright Side decided to tell you about such experiences, which remain a mystery for science to this day.

Sleep paralysis

How it feels: The person wakes up at night and cannot move. Added to this are frightening hallucinations and a feeling that there is someone else in the room. In antiquity, this state was associated with mischiefs of evil spirits.

11 Mysterious Things That Occur While You Sleep

Why it happens: Normally, when we fall asleep, we are paralyzed so that we don’t sleepwalk and such. With sleep paralysis, our muscles “turn off” when the brain is awake.

Approximately 7% of the population have experienced sleep paralysis at least once (source). They say this is more likely when sleeping on the back.