Sleepy: Surprising Ways Animals Snooze

Just like people, all animals need sleep, but not all animals sleep in the same way. When dolphins sleep, half their brain stays awake. Snakes sleep with their eyes open. Giraffes sleep in five-minute intervals, while koalas sleep for twenty-two hours a day! From grizzly bears to hummingbirds, there are creatures of all sizes and habitats to wish a good night in this cozy and compelling book.