Mysteries of Sleep

(Season 47, Episode 4)

Series: Nova

Air Date: 2020-02-26

Language: English

Genre: Documentary, Biography

Networks: PBS


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.

Guest Starts :

Belinda Giblin, Rob Kipa-Williams, Bree Peters