10 Things You Didn't Know About Sleep

10 Things You Didn't Know About Sleep

1. We can only dream about faces we have already seen, whether we actively remember them or not.
2. Parasomnia is a type of sleep disorder that makes you do unnatural movements despite being asleep.
3. 12% of people dream only in black and white. This number used to be higher but since the advent of colored television, more people dream in color than before.
4. People who do not dream generally have personality disorder.
5. British soldiers were the first to develop a method in staying up 36 hours without sleep; when fatigued, they put on special visors that emulated the brightness of a sunrise and it woke them up.
6. It takes two weeks to starve to death, but 10 days without sleep will kill you.
7. Within 5 minute of waking up, 50% of your dream is forgotten, within 10 minutes, 90% is gone.
8. Men have dreams about other men 70% of the time. But women dream about men and women equally.
9. People who are born blind experience dreams involving emotion, sound, smell and touch instead of sight.
10. What goes on in your sleep is this: Your brain recharges, your cells repair themselves and your body releases important hormones.

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