Bats sleep 18-20 hours per day.
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If you hold farts in during the day, they'll just come out when you sleep.
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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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Lack of water is the #1 trigger of daytime fatigue.
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47% of people have a nightmare at least once a month.
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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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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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