Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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The average person falls asleep in seven minutes.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
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The strangers in your dreams are actually people that you've seen in real life.
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