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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The average person falls asleep in seven minutes.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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You forget 90% of your dreams.
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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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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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