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.
| Title | NOVA - Season 47 Episode 4 : Mysteries of Sleep |
|---|---|
| Alternative Titles | PBS新星Nova, نوا, نووآ, PBS Nova |
| Subtitle Available |
 ETC.
|
| First Air Date | 1974-03-03 |
| Last Air Date | 2025-11-12 |
| Number of Episodes | 1017 |
| Number of Seasons | 53 |
| Genres | Documentary, |
| Networks | PBS, |
| Casts | |
| Plot Keywords | , |
Episodes List
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NOVA Season 47 :Episode 1 Polar Extremes Polar Extremes
2020-02-05PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 2 Dog Tales Dog Tales
2020-02-12PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 3 Cat Tales Cat Tales
2020-02-19PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 4 Mysteries of Sleep Mysteries of Sleep
2020-02-26PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 5 Cuba's Cancer Hope Cuba's Cancer Hope
2020-04-01PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 6 The Truth About Fat The Truth About Fat
2020-04-08PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 7 Decoding COVID-19 Decoding COVID-19
2020-05-13PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 8 Eagle Power Eagle Power
2020-05-20PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 9 Human Nature / Gene-Editing Reality Check Human Nature / Gene-Editing Reality Check
2020-09-09PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 10 Secret Mind of Slime Secret Mind of Slime
2020-09-16PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 11 A to Z: The First Alphabet A to Z: The First Alphabet
2020-09-23PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 12 A to Z: How Writing Changed the World A to Z: How Writing Changed the World
2020-09-30PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 13 Nature's Fear Factor Nature's Fear Factor
2020-10-14PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 14 Touching the Asteroid Touching the Asteroid
2020-10-21PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 15 Can We Cool the Planet? Can We Cool the Planet?
2020-10-28PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
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NOVA Season 47 :Episode 16 Saving Notre Dame Saving Notre Dame
2020-11-25PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...
