A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
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Dieters who sleep more take off more fat that those who sleep less.
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Lack of water is the #1 trigger of daytime fatigue.
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The average cat sleeps about 2/3 of the day.
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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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