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Oct 5, 2015
"Sleeping is no mean art: for its sake one must stay awake all day." --Friedrich Nietzsche
The Science of Why We Sleep
Scientists know that sleep obeys our complex internal clocks, affects our every waking moment, and even tames our negative emotions. But what happens while we sleep and why have we evolved to sleep in the first place? In this fascinating short video, PBS's Joe Hanson explores the mysteries of sleep...
BE THE CHANGE
Learn more about the science of sleep and share it with others who might be helped by the knowledge.
