In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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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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Those who get out of bed by 7am are more likely to be thinner and happier.
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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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People who sleep late have more mental stamina and can outperform early risers.
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