One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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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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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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Termites work 24 hours per day and they do not sleep.
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Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
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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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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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