Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Honeybees never sleep.
276
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
You forget 90% of your dreams.
256