NOVA

7.6 / 10
60 min
Documentary
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Season 47, Episode 4

Mysteries of Sleep

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.
Quest roles:
No known guest appearances
Writer:
unknown
Director:
unknown
Release date:
26 February 2020, 21:00
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NOVA