There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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The average cat sleeps about 2/3 of the day.
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The average person falls asleep in seven minutes.
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Dieters who sleep more take off more fat that those who sleep less.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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