Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28