Humans need 7-8 hours of daily sleep. However, in the wild, some animals rest for more than 20 hours a day to conserve energy ...

Murrah quickly realized that the crafty opossum had somehow managed to escape ... In addition to providing emotional comfort, when baby animals sleep together, they keep each other warm.

The Virginia opossum is North America’s only marsupial (a mammal that carries its young in a pouch) and is native to the southern U.S. However, it’s been staging an invasion into Canada ...