"Dysania" is the state of finding it hard getting up out of bed in the morning.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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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 average person falls asleep in seven minutes.
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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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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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