The average human sleeps a total of twenty-four years over a lifetime. That's a lot of naps! Yet people aren't the only ones who enjoy a good rest; if you look

Explains the varied ways in which such animals as flamingos, ball python snakes, dolphins, and horses sleep.

All people sleep. So do all other mammals. Birds sleep, too. Even snakes, fish, and insects have a way of sleeping. How different animals sleep on land, in wate

A young girl crawls into bed each night with all her animal friends who are reluctant to leave their nightly pajama party.

My little one, lay down your head.It's time to doze, it's time for bed.You tell me, "I'm not sleepy now.""Just try," I say. You ask me, "How?" In this lyrical a