Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
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People who sleep late have more mental stamina and can outperform early risers.
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Termites work 24 hours per day and they do not sleep.
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44% of kids watch television before they go to sleep.
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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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"Dysania" is the state of finding it hard getting up out of bed in the morning.
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Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
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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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