Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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The average person falls asleep in seven minutes.
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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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Lack of water is the #1 trigger of daytime fatigue.
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Cows can sleep standing up, but they can only dream lying down.
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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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