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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Those who get out of bed by 7am are more likely to be thinner and happier.
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The average cat sleeps about 2/3 of the day.
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The average person falls asleep in seven minutes.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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