In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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The average person falls asleep in seven minutes.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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44% of kids watch television before they go to sleep.
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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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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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