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16 sept 400 año aC - Hippocrates

Descripción:

"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.

Añadido al timeline:

History of Sleep study

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9 oct 2018
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fecha:

16 sept 400 año aC
Ahora mismo
~ 2428 years ago
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