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Here are some interesting facts about sleep: babies need 16 hours of sleep while people over 65 only need 6 hours; men have dreams about other men 70% of the time but women dream about women and men equally; 12% of people dream only in  black and white; sleep position may determine you personality (i.e.: people who sleep in a fetal position are gruff initially but have warm and open hearts); 1 in every 4 married couples sleep in separate beds; the Koalas sleep for 22 hours daily but the Giraffe only sleeps 1.9 hours a day; 1 out of 50 teenagers still wet their beds. See more facts below:

16 facts about sleep

Via: Psychology Degree