In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
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
Honeybees never sleep.
276
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
44% of kids watch television before they go to sleep.
106
The average person falls asleep in seven minutes.
115
The strangers in your dreams are actually people that you've seen in real life.
50