Sea otters hold hands while sleeping so they don’t drift away from each other.
104
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Cows can sleep standing up, but they can only dream lying down.
745
The human brain is more active during sleep than during the day.
28
You burn more calories sleeping than you do watching television.
348