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by bbctol
3611 days ago
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Taken on its own, unconsciousness is a massive evolutionary setback--an explanation like "conserves energy" doesn't cut it, when there are plenty of nocturnal predators around. Why didn't humans evolve to lie down at night, with their heartrate and breathing slow, but remain fully aware of their surroundings? That would make survival to reproduction age a lot simpler. |
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