Why do we sleep? Do animals dream? Where is the oldest bed in the world? In this compendium of 5-minute true stories, you will travel to Ancient Egypt to explore the five beds of Tutankhamun, jet off into space to see how astronauts get ready for bed, and plunge underwater to learn how hibernating turtles breathe through their bottoms. With up-to-the-minute, expert information and stunning illustrations, this book is the ultimate brainy bedtime companion for young children.