The Greek writer and philosopher Alcmaeon of Croton, in the 400s BCE, proposed what is probably the first theory on the causes of sleep. He postulated that sleep occurred when the blood vessels of the brain filled with blood. The blood induced pressure on the brain and the pressure created sleepiness. When the blood left the brain a person would wake up. His theory is not supported by modern science, in case you were wondering.
20 março 2017
The Greek writer and philosopher Alcmaeon of Croton, in the 400s BCE, proposed what is probably...
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