Medically reviewed by Valerie Cacho, MD Key Takeaways Sleep paralysis hallucinations happen when you’re waking up or falling ...

(CNN) — 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, experiencing his own real-life horror ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by Leah Abucayan/Alberto Mier/CNN Baland Jalal lay in bed terrified, ...

Sleep is vital for both mental and physical health. Lack of restful sleep can lead to the effects of fatigue, and further potential health issues. One of the more disturbing sleep disturbances is ...

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 ...

BERKELEY, Calif. — Baland Jalal lay in bed terrified, experiencing his own real-life horror film. Newly awake, the 19-year-old could see his surroundings but couldn't move or speak, and he didn't know ...