Tuesday, October 21, 2008
Random Factoid of the Moment
Cows can sleep standing up, but they can only dream lying down.
Whales and dolphins have to swim and breathe as they sleep, so only one-half of their brains fall asleep at a time.
Read more about sleep here
Whales and dolphins have to swim and breathe as they sleep, so only one-half of their brains fall asleep at a time.
Read more about sleep here