Sleep paralysis is common, and rarely harmful, though it can be scary. Here's what you should know about the causes, risk ...

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 ...

Imagine being stuck in a dark, confined space, where you can’t move or speak. It sounds pretty hellish, and yet it has happened to me countless times. Sleep paralysis is estimated to affect around 8% ...

Known as the Hat Man, this tall, dark, featureless character has been seen by people in their bedrooms, watching over them ...

Sleep paralysis seems absolutely terrifying—when your limbs stay paralyzed after you've woken up from sleeping—but it's common and not dangerous. One expert shares simple ways you can make the ...

Neuroscientists probing the boundary between sleep and awareness are finding many types of liminal states, which help explain ...

(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 ...