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NOVA Season 47 Episode 4 Mysteries of Sleep 2020

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6.845/10 by 116 users

From fruit flies to whales, virtually every animal sleeps. But why? Why do we need to spend nearly a third of our lives in such a defenseless state? Scientists are peering more deeply into the sleeping brain than ever before, discovering just how powerful sleep can be, playing a role in everything from memory retention and emotional regulation to removing waste from our brains.

  • Released: 2020-02-26
  • Runtime: 55 minutes
  • Genre: Documentary
  • Stars:
  • Director:
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