He also treats patients struggling with it. An estimated 30% of people worldwide experience at least one episode of sleep paralysis in their lifetime, according to the Cleveland Clinic.

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

He also treats patients struggling with it. An estimated 30% of people worldwide experience at least one episode of sleep paralysis in their lifetime, according to the Cleveland Clinic.

People with RBD should see a neurologist. Sleep paralysis is when the inability to move your muscles happens outside of REM sleep, usually just before or after entering dream sleep.

KEY TAKEAWAYS Sleep paralysis, experienced by 30% globally, involves hallucinations during REM sleep. Baland Jalal, a Harvard researcher, studies its causes and terrifying experiences.

About 40% of people with sleep paralysis have visual, auditory or tactile hallucinations, such as pressure on one’s chest or feeling out of body, Jalal said. For about 90% of those individuals ...

About 40% of people with sleep paralysis have visual, auditory or tactile hallucinations, such as pressure on one’s chest or feeling out of body, Jalal said. For about 90% of those individuals ...