The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
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
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The human brain is more active during sleep than during the day.
28
The average cat sleeps about 2/3 of the day.
203
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Cows can sleep standing up, but they can only dream lying down.
745
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28