Why do I need to sleep?

Why do I need to sleep? Young children are very curious, and they seek to learn about the world around them, constantly asking questions, and expecting answers from adults. This book provides simple answers to their inquiries about sleep, and how it energizes the body and mind. Details... Author: Simon Cushman Illustrator: Simon Cushman Translation: Amani Al-Banna Number of pages: 19 pages Binding type: Hardcover Approximate dimensions: 27.5x15 cm