There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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You burn more calories sleeping than you do watching television.
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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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If you hold farts in during the day, they'll just come out when you sleep.
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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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