There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
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Those who get out of bed by 7am are more likely to be thinner and happier.
20
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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47% of people have a nightmare at least once a month.
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