NOVA · SEASON 47
Mysteries of Sleep
Episode 4 · 2020-02-26
- Documentary
Episode 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.
55 minutes
Season 47 episodes
1. Polar Extremes2020-02-05
2. Dog Tales2020-02-12
3. Cat Tales2020-02-19
4. Mysteries of Sleep2020-02-26
5. Cuba's Cancer Hope2020-04-01
6. The Truth About Fat2020-04-08
7. Decoding COVID-192020-05-13
8. Eagle Power2020-05-20
9. Human Nature / Gene-Editing Reality Check2020-09-09
10. Secret Mind of Slime2020-09-16
11. A to Z: The First Alphabet2020-09-23
12. A to Z: How Writing Changed the World2020-09-30
13. Nature's Fear Factor2020-10-14
14. Touching the Asteroid2020-10-21
15. Can We Cool the Planet?2020-10-28
16. Saving Notre Dame2020-11-25
