Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
"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
47% of people have a nightmare at least once a month.
186
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
If you hold farts in during the day, they'll just come out when you sleep.
16