One of the scariest documentaries of all time, if not the scariest, is now streaming free. Be warned, though – it might be cursed.

While falling asleep or waking up, your brain helps the muscles in your arms and legs relax. However, with sleep paralysis, ...

Sleep paralysis is a disturbing sleep disturbance. Individuals experience temporary inability to move or speak. It occurs upon falling asleep or waking up. This experience leads to social and ...

Amber Nolan told Newsweek she "thought it was a cluster headache" at first, but when her symptoms developed, she knew it had ...

After CT and MRI scans, medics believed it was a transient ischemic attack (TIA), sometimes called a "ministroke." It is different from major types of stroke. Blood flow to the brain is blocked for ...

Narcolepsy disrupts more than sleep—it affects daily life. Learn about causes, symptoms, diagnosis, and the latest treatment strategies.

Though scientists know that wake-sleep glitch is what’s happening during a sleep paralysis episode, they’re not entirely sure why. But there are several factors that can increase the risk of ...

This type of hallucination is a hallmark for many people with sleep paralysis. It occurs during transitions into or out of rapid eye movement, or REM, sleep, similar to a traffic jam at a busy ...

During sleep paralysis, however, “we regain consciousness before the muscles regain their freedom from REM-induced paralysis,” said Walker, who is also a professor of neuroscience and ...

While the aforementioned treatments can help reduce the frequency or length of sleep paralysis episodes, there isn’t yet a gold-standard treatment that can stop an episode once it’s happening.

Around 30% of people will experience sleep paralysis at least once. Here’s why and what you can do about it.