You wake up in the middle of the night and realize you cannot move. Your chest feels heavy, your breathing is shallow, and ...

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 ...

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 ...

You may experience sleep paralysis if you wake during the dream phase of sleep. You may be more likely to see hallucinations during the rapid eye movement cycle. You wake up in the middle of the night ...

Maybe you’ve seen the meme: “This is my sleep paralysis demon: [insert photo].” The viral idea builds on a very real condition in which a person is conscious but unable to move. In some cases, people ...

Most of us have our fair share of wacky dreams involving everything from time machines to tutu-wearing trees. But check out some of the other strange phenomenon that can take place while we're sawing ...

(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 ...

ST. LOUIS — Have you ever been lying in bed falling asleep or waking up and notice you temporarily cannot move or speak but can see and hear? It lasts for a few seconds or longer. Maybe you try to ...

'It's terrifying and exhausting,' describes Charlotte Lewis, who, aged 31, has been battling with sleep paralysis for most of her life. 'I feel this sense of falling and then realise I’m paralysed and ...