52 Ràithe
996 Episode
NOVA - Season 47 Episode 4
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.
- Bliadhna: 2025
- Dùthaich: United States of America
- Seòrsa: Documentary
- Stiùidio: PBS
- Faclan-luirg: nature, candid, inspirational, factual, dramatic, informative, instructive
- Stiùiriche:
- Cast: