Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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Those who get out of bed by 7am are more likely to be thinner and happier.
20
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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Cows can sleep standing up, but they can only dream lying down.
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People who sleep late have more mental stamina and can outperform early risers.
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