One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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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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The average person falls asleep in seven minutes.
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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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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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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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