In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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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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Dieters who sleep more take off more fat that those who sleep less.
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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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You forget 90% of your dreams.
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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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