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, ...

(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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Have you ever woken up after sleeping, unable to move? Maybe you can see ...

If you’ve ever woken up unable to move, feeling as if a ghostly presence is pressing on your chest, you’re not alone—welcome to the strange world of sleep paralysis. This phenomenon, which affects ...

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 ...

I can't breathe. There's a tremendous pressure in my chest. I'm panicking, and then I realize I can't move. I try to scream. Suddenly, violently, I'm startled awake, sweaty, shaking, and disoriented.

(CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. CNN — (CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our ...

(CNN) — 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 why. He ...