52 பருவம்
994 அத்தியாயம்
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.
- ஆண்டு: 2024
- நாடு: United States of America
- வகை: Documentary
- ஸ்டுடியோ: PBS
- முக்கிய சொல்: nature, candid, inspirational, factual, dramatic, informative, instructive
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