Sleep: Why We Need It and What Happens Without It

The video explores the mystery of sleep, highlighting its biological importance and the lack of scientific consensus on why we sleep. It delves into the brain's role in regulating sleep through hormones and adenosine, and discusses various theories on sleep's purpose, including energy conservation and brain restoration. The video also examines sleep's role in memory consolidation and the severe consequences of sleep deprivation, including health risks and cognitive dysfunction.

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