Conditions

PTSD

Covered in Policy, Sleep, Mind, Climate & Health, Women's Health and Global Health.


EXPLAINER

Sleep paralysis: why you wake up unable to move

For a few seconds to a couple of minutes you are awake but frozen, sometimes with a sense of a presence in the room. It is REM sleep intruding into wakefulness — common, frightening and, on its own, harmless.


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