All animals sleep. But do they dream? Facts inspire imaginations in a beautifully illustrated nonfiction picture book for curious young minds. Some animals sleep alone. Others sleep in packs. Some slumber at night, and others prefer the daytime for getting some z 's. Whether large or small, familiar or unusual, all animals must find a way to get some rest. Did you know that giraffes sleep standing up? That sloths sleep upside down? Or that fish sleep with their eyes open? Take a close look at the sleeping habits of meerkats, bats, horses, birds, and other animals around the world in a book for young nature enthusiasts that is certain to spark a sense of wonder.