Aired
February 26, 2020
NOVA
NOVA
Mysteries of Sleep #S47E04
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.
Episode 4 of Season 47 from NOVA — available to stream in HD on any device.
Comments & Discussions
Join the conversation
Sign in to leave a comment
No comments yet
Be the first to share your thoughts!
Recommended
Because you liked NOVA
The Deep End
The Deep End
Secret Weapons of World War II
Secret Weapons of World War II
America's Team: The Gambler and His Cowboys
America's Team: The Gambler and His Cowboys
Stalking Samantha: 13 Years of Terror
Stalking Samantha: 13 Years of Terror
The Proof Is Out There: UnXplained Edition
The Proof Is Out There: UnXplained Edition
The Home Team: New York Jets
The Home Team: New York Jets
Paranormal Witness
Paranormal Witness
Magic City: An American Fantasy
Magic City: An American Fantasy
Hard Knocks
Hard Knocks
Coach Prime
Coach Prime
Search for movies, TV shows, collections, manga, or people
Trending Now