47% of people have a nightmare at least once a month.
186
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Bats sleep 18-20 hours per day.
5
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29