People who sleep late have more mental stamina and can outperform early risers.
33
44% of kids watch television before they go to sleep.
106
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Bats sleep 18-20 hours per day.
5
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240