The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Honeybees never sleep.
276
The strangers in your dreams are actually people that you've seen in real life.
50
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
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
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240