The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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The strangers in your dreams are actually people that you've seen in real life.
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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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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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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