There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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44% of kids watch television before they go to sleep.
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Bats sleep 18-20 hours per day.
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The human brain is more active during sleep than during the day.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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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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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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