It sounds like the start of a horror film: a shadowy figure at the end of your bed, a faceless presence sitting on your chest ...

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, ...

It’s the stuff of nightmares. You wake up, and you can’t move your body. A shadowy figure looms over you, but it feels too real to be a dream. If you’ve experienced this, you might have had a sleep ...

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 ...

Yet this frightening episode has a medical explanation, and experts say it is far more common than most realise. A common ...

Imagine waking up in bed, eyes wide open, fully aware of your surroundings—yet you can’t move a muscle. You try to call out but no sound comes. Your chest feels heavy, your breathing shallow. Out of ...

(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 ...

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 ...