"Dysania" is the state of finding it hard getting up out of bed in the morning.
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A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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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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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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The average person falls asleep in seven minutes.
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