Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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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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Honeybees never sleep.
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Those who get out of bed by 7am are more likely to be thinner and happier.
20
Dieters who sleep more take off more fat that those who sleep less.
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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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