Have you ever wondered what triggers the feeling of sleepiness at night? Or what about what happens while you're sleeping? This episode is all about the cycles of sleep: what the different stages of sleep there are, and how we cycle through them, and the circadian rhythms we have that cycle us through these sleep-wake patterns every day.
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
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Dateline NBC
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