NOVA - Season 47 Episode 4 : Mysteries of Sleep

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NOVA - Season 47 Episode 4 : Mysteries of Sleep
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Title:NOVA - Season 47 Episode 4 : Mysteries of Sleep
Genre: Documentary
Air Date: 2020-02-26
Season Number: 47
Episodes Number: 4
Guest Stars:
Stars:
Overview
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.
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