The average cat sleeps about 2/3 of the day.
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You forget 90% of your dreams.
256
Honeybees never sleep.
276
47% of people have a nightmare at least once a month.
186
People who sleep late have more mental stamina and can outperform early risers.
33
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15