When you weigh more than 10,000 pounds, you need a lot of food just to survive. All those hours spent searching for grasses, roots and fruits means there's little time left over for sleep.
How little? Try two hours a day for African elephants...
When you weigh more than 10,000 pounds, you need a lot of food just to survive. All those hours spent searching for grasses, roots and fruits means there's little time left over for sleep.
How little? Try two hours a day for African elephants...