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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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
You forget 90% of your dreams.
256
Termites work 24 hours per day and they do not sleep.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
"Dysania" is the state of finding it hard getting up out of bed in the morning.
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