In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Those who get out of bed by 7am are more likely to be thinner and happier.
20
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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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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The average person falls asleep in seven minutes.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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