A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
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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 cat sleeps about 2/3 of the day.
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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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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