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10 of the Strangest Sleep Disorders

From snacking to sex--a look at the unusual things some of us do while asleep (11 Photos)

Marissa Capodanno on Aug 20, 2012 at 4:10PM

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Sleep Cycle, Interrupted

Normally when we sleep, our brains are highly active while our bodies experience temporary paralysis. According to the National Sleep Foundation, REM behavior disorder blurs the lines between wakefulness, normal sleep, and rapid eye movement (REM) sleep. Sleepers with REM behavior disorder often act out their dreams in episodes that can be as mild as sleep talking or more extreme, like hitting or punching.

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Have you ever done anything strange in your sleep?