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sep 16, 400 BC - Hippocrates

Description:

"Father of medicine" : Sleep is due to blood retreating to the inner organs of the body, since body cools itself during sleep.
Best to lie on side while asleep and be awake while the sun is out.

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History of Sleep study

ByK
9 Oct 2018
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Date:

sep 16, 400 BC
Now
~ 2428 years ago
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