Honeybees never sleep.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Cows can sleep standing up, but they can only dream lying down.
745
People who sleep late have more mental stamina and can outperform early risers.
33
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28