What happens when you don't sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!
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Tagged under: hank green,scishow,sleep,cortisol,melatonin,dreams,brain plasticity,infusion,hypothalmus,adenosine,theory,hypothesis,consciousness,animal,behavior,rest,evolution,adaptation,energy,synapse,brain,sleep deprivation,amygdala,prefrontal cortex,memory,paranoia,hallucination,immune health,illness
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