Sleep paralysis is a disturbing sleep disturbance. Individuals experience temporary inability to move or speak. It occurs ...

Medically reviewed by Sanja Jelic, MD Sleep paralysis is the phenomenon of being unable to move upon waking from sleep. Episodes generally last for a few minutes. These episodes are often described as ...

Sleep paralysis leaves 20% of people temporarily unable to move while fully conscious, often accompanied by hallucinations. ... frequently includes sleep paralysis as a symptom.

Causes and risk factors of sleep paralysis. Though scientists know that wake-sleep glitch is what’s happening during a sleep paralysis episode, they’re not entirely sure why.

The science and symptoms of sleep paralysis. In REM sleep, our bodies are paralyzed so we don’t act out our dreams and risk hurting ourselves or others, Jalal said.

Causes and risk factors of sleep paralysis. Though scientists know that wake-sleep glitch is what’s happening during a sleep paralysis episode, they’re not entirely sure why.

Causes and risk factors of sleep paralysis. Though scientists know that wake-sleep glitch is what’s happening during a sleep paralysis episode, they’re not entirely sure why.