Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The strangers in your dreams are actually people that you've seen in real life.
50
44% of kids watch television before they go to sleep.
106
Dieters who sleep more take off more fat that those who sleep less.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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