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 ...

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 ...

Why are some people affected by sleep paralysis? – Tess, age 13. Falling asleep is a bit like flicking off a light switch. One moment we are awake, but then the switch is flicked and we fall asleep.

Sleep paralysis is "a condition where you feel paralyzed just before falling asleep or, more commonly, when you first wake up in the morning," says Kevin Walker, MD, the medical director of ...

Jalal is a neuroscientist at Harvard University, Department of Psychology. He was previously a Visiting Researcher at Cambridge University, where he completed his Ph.D. with the School of Clinical ...

Laura wrote about e-commerce and Amazon, and she occasionally covered cool science topics. Previously, she broke down cybersecurity and privacy issues for CNET readers. Laura is based in Tacoma, ...

'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 ...

If you've ever had the experience of feeling like you can't move your body, even though you want to, either right before falling asleep or as you wake up, you've had what's known as sleep paralysis.

You're falling into a peaceful slumber; your body relaxes. Just as you're about to slip into sleep, you feel a dense pressure on your chest. It feels heavy, like an iron casket. You suddenly notice ...

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 ...

Josh Smith says it all started when he was five years old. He'd go to sleep and in the middle of the night, he'd wake up, his body rigid. One night stood out to him in particular: He was 16. He'd just ...

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 ...