00:00Every night, billions of people voluntarily climb into bed, lose consciousness, drool all over their pillow,
00:06and dream about showing up from math class in a scuba suit made entirely of waffles.
00:12Now for years, we've been told that your brain needs time to shut down.
00:16But scientists now say that's not true.
00:18In many ways, it's busier than ever.
00:21Think of your brain as an amusement park.
00:23During the day, thousands of visitors, tons of noise,
00:27but at night, the gates close, and that's when the maintenance crew rolls in.
00:32Researchers have discovered that while you sleep, your brain starts doing housekeeping,
00:36deciding what gets saved and what gets tossed.
00:40So between cleaning, repairing, and organizing,
00:43there's a lot happening in that brain of yours when you close your eyes.
00:46That's why tonight, when you crawl into bed to catch some Z's, rest easy.
00:51Because your brain has got the night shift.
00:54It's the Always Wondered Podcast.
00:57It's the Always Wondering Podcast.
00:58It's the Always Wondering Podcast.
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