In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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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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47% of people have a nightmare at least once a month.
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The average cat sleeps about 2/3 of the day.
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Termites work 24 hours per day and they do not 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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