Why Do We Die Without Sleep?
The Joy of Why
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Introduction
We spend about a third of our lives asleep, so it seems like it must be pretty important. But why exactly? Dragana rogla knows something about that. She's an associate professor of neuro biology at harvard medical school. Later we'll be hearing from alex keen who studies the neural regulation of sleep. He does that by looking in an unexpected place, in fish that live in caves in mexico.
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