A "sleep paralysis demon " is a term often used to describe the terrifying hallucinations that some people experience during an episode of sleep paralysis . Sleep paralysis is a parasomnia (or sleep disorder) in which a person is fully awake and aware but cannot move or speak. Struggling with sleep paralysis demons ? Learn about their causes, the impact they can have, and how to stop these episodes for a restful night’s sleep. Sleep paralysis demons have become a key figure in meme culture, but they aren't so funny for those who experience them. Around 30% of people will experience sleep paralysis at least once. Here’s why and what you can do about it.
