It literally feels like all the evil of the universe is condensed into a bubble, and it’s in your bedroom.” This type ...

A Strange Yet Real Fear Have you ever opened your eyes in the middle of the night and realized you could not move a single ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." (Leah Abucayan, ...

REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

"This type of hallucination is a hallmark for many people with sleep paralysis.It occurs during transitions into or out of rapid eye movement, or REM, sleep, similar to a traffic jam at a busy ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified ...