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 ...

Sleep paralysis happens when you wake up but can't move for a few minutes. Stress and anxiety can trigger episodes of sleep paralysis. Sleep paralysis isn't dangerous, but it can make you feel uneasy.

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 ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by Leah Abucayan/Alberto Mier/CNN Sign up for CNN’s Sleep, But Better ...

(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 ...