There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Termites work 24 hours per day and they do not sleep.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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