Comment on What is the real reason we sleep?Comments−EA10yMy guess: predators hunt at night. The quieter you are, the more likely you are to survive another night.−tremon10yOur ancestors (primal mammals) were nocturnal. They slept during the day.
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My guess: predators hunt at night. The quieter you are, the more likely you are to survive another night.
Our ancestors (primal mammals) were nocturnal. They slept during the day.