Waking up unable to move or speak can feel like a stroke. Experts explain why sleep paralysis occurs, how it differs from a ...

Casey Harrell using a brain-implant interface, with his wife and daughter nearby. (UCD) A man with severe paralysis, who can ...

Paralysis is when you lose the ability to move a part of your body—and it’s not because you’re tired or lazy. It happens when something goes wrong in the communication lines between your brain, spinal ...

Having sleep paralysis can be a frightening experience, but can it actually kill you? Here's what scientists want you to know ...

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.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I don’t mind bad ...

“I was facing my clothes rack where I have a bunch of stuff hanging off of it,” Brandon Tan says. “And since it was dark, my bags and jackets were kind of morphed into black figures.” Tan, a New York ...

Paralysis is a condition involving a loss of muscle function in the body that may be accompanied by sensory loss, also referred to as loss of feeling. The term is derived from the Greek word that ...

Sleep paralysis is a parasomnia or disorder related to sleep. In an episode of sleep paralysis, the person may experience temporary paralysis of the muscles which does not allow movement. The person ...

Last year, hundreds of children across the country got sick with what looked like a common cold. Nothing to worry about: body aches, runny nose, coughing and sneezing. But then, mysteriously, a ...