There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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The strangers in your dreams are actually people that you've seen in real life.
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The average cat sleeps about 2/3 of the day.
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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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You burn more calories sleeping than you do watching television.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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