Watch more videos about sleep at BrainFacts.org: [ Ссылка ]

Watch more videos from the Brain Awareness Video Contest at BrainFacts.org: [ Ссылка ]

While you dream, your body is temporarily paralyzed. This stops you from acting out your dreams and potentially injuring yourself. But sometimes this inability to move persists even after you've woken up, giving rise to the terrible nightmares of sleep paralysis. Disclaimer: This animated video contains images that may be scary for younger audiences. Viewer discretion is advised.

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