"Dysania" is the state of finding it hard getting up out of bed in the morning.
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47% of people have a nightmare at least once a month.
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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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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
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Bats sleep 18-20 hours per day.
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Dieters who sleep more take off more fat that those who sleep less.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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