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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47% of people have a nightmare at least once a month.
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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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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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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 record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Honeybees never sleep.
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You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
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