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Do You Know What Causes Sleep Paralysis?
Normally your brain causes your muscles to relax and be still as you sleep. This is called “atonia.” Sleep paralysis seems to be when this atonia occurs while you are awake. Sleep paralysis is “isolated” when it appears without any other signs of narcolepsy.
Narcolepsy is a chronic sleep disorder that causes overwhelming drowsiness and sudden “sleep attacks” throughout the day. However, many people who don’t have narcolepsy can still experience sleep paralysis.
People who experience it
What does history say about sleep paralysis?
References to sleep paralysis are scattered throughout history, though not usually under the name “sleep paralysis.” Folklore and myths from around the world describe the terrifying experience of being unable to move upon waking and sometimes seeing beings, being choked, or being held down. Nightmares are known as the “Old Hag” in Newfoundland, Kokma in St. Lucia, and tsog in East Asia may have all be borne of the same spooky experience, according to an article in the Journal of the Royal Society of Medicine. In 1664, a Dutch physician described a patient’s…
