Science's Not Boring

What is sleep?

Thursday · 12 min · Season 1 · Episode 424 · 9.1 MB
0:00-12:32

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Have you ever wondered what your brain actually does when you close your eyes at night? You might be resting, but your brain is actually throwing a massive, high-speed cleaning party! Join Mira and Finn on Science is Not Boring as they uncover the wild and wacky secrets of sleep. Did you know you will spend about 25 years of your life completely asleep? It sounds like a lot of time, but sleep is a matter of life and death! Discover the shocking true story of a teenager who stayed awake for 11 straight days (and started hallucinating!), and learn about the amazing Great Frigatebird that takes 10-second micro-naps while flying high over the ocean. But the absolute coolest part? Your brain cells literally shrink at night so a special fluid can power-wash away toxic waste! That’s right, you have a built-in brain dishwasher called the Glymphatic System. Plus, find out how sleep saves your coolest memories, why your body paralyzes itself during dreams, and how clever dolphins sleep with only half their brain at a time!