"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The human brain is more active during sleep than during the day.
28
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Bats sleep 18-20 hours per day.
5
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240