The human brain is more active during sleep than during the day.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
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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47% of people have a nightmare at least once a month.
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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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