Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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44% of kids watch television before they go to sleep.
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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Dieters who sleep more take off more fat that those who sleep less.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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