Sleep also enables the body to repair and replenish cellular material that is damaged or depleted. Important bodily functions ...

In sleep paralysis, you're awake but you can't move. It can be quite frightening, but it's not dangerous. (Photo Credit: iStock/Getty Images) Is Sleep Paralysis a Symptom of a Serious Problem?

But others suffer from recurrent sleep paralysis, which is typically associated with narcolepsy, or overpowering daytime drowsiness. Even the malevolent, phantasmic images that plague these fitful ...

This is known as sleep paralysis and anyone who has experienced it will know how terrifying it can be. While sleep paralysis is generally harmless, it can be a sign of, and caused by, more ...

Sleep paralysis—paralysis upon falling asleep ... we’ve developed a theory to explain how your brain conjures up these compelling images. Instead of epic encounters with otherworldly entities ...

Is this a scene from a great horror movie or something more ominous? What is sleep paralysis? Varying cultures have explained this frightening experience in various ways. In Brazilian folklore ...

Luke Pickering experienced full-body paralysis days after noticing tingling in his hands. The 31-year-old mechanic from ...

They are connected to sleep paralysis, which can be downright scary. “What happens is in sleep paralysis, during REM sleep, when you’re dreaming, your body is paralyzed, you have your brain ...

The phenomenon is known as a "shadow person", a concept that believers say is a ghost, but scientists attribute to sleep paralysis, when "the brain wakes up before the body does" and the person is ...

Two parts of the brain, the thalamus and amygdala, are active during REM sleep, creating images, sounds, and other sensations and allowing us to process emotions. REM sleep first occurs about 90 ...

But others suffer from recurrent sleep paralysis, which is typically associated with narcolepsy, or overpowering daytime drowsiness. Even the malevolent, phantasmic images that plague these fitful ...