"Dysania" is the state of finding it hard getting up out of bed in the morning.
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The average cat sleeps about 2/3 of the day.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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The strangers in your dreams are actually people that you've seen in real life.
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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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