Catching up on sleep science

Humans are the only species that seems to deliberately deprive themselves of sleep. But if you’ve ever uttered a phrase like, “I’ll sleep when I’m dead,” scientists say it’s time for a wake-up call. Researchers have long known that adequate sleep is critical for good health. Insufficient sleep impairs the immune system, and is associated with everything from obesity to cardiovascular disease, stroke to cancer, depression to schizophrenia and Alzheimer’s disease. Now scientists are several steps closer to knowing how sleep keeps us healthy.

Provided by QUEST

Runtime: 7:36

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