2 Sleeps per night

2 Sleeps per night

During the medieval times, it was common to have two naps per night. You would fall asleep for 4 to 5 hours, wake up for 2 hours or so and fall back to sleep for another 3 to 4 hours. It has been suggested that we may have evolved this sleep pattern to tend to the fire in order to keep us warm and safe.

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