Scared? Your Sleep Quality Could Be to Blame

Scared? Your Sleep Quality Could Be to Blame

The quality of your sleep could play a role in how your brain responds to fear, which, in turn, could determine how likely you are to develop post-traumatic stress disorder (PTSD), a small, new study suggests. People in the study who got more "rapid eye movement" (REM) sleep had less activity in the areas of the brain linked to fear in the face of a frightening event, compared with those who got less REM sleep, according to the study, published today (Oct. 23) in the Journal of Neuroscience. The findings suggest that REM sleep may help keep fear levels low...

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