In this chapter, the team discusses the importance and evolution of sleep. They explore the necessity of sleep despite its apparent counterproductivity, highlighting its presence in every studied species and its role in evolution. They also discuss sleep patterns in animals, correlations with factors like size and brain size, and the influence of circadian rhythms on our sleep-wake cycles.
What happens when we go to sleep? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly break down the mystery of why we sleep, time dilation in dreams, circadian rhythms, and sleeping in space with neuroscientist Matt Walker.
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Photo Credit: ManuelSchottdorf, CC BY-SA 4.0, via Wikimedia Commons
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