From whales and elephants to cicadas and spiders, discover how and why living creatures rest.
What is sleep? What is resting? What is the difference between them? This book explains that difference by looking at why people need sleep, how we sleep, and looking at how animals either sleep or rest.
From whales and elephants to cicadas and spiders, discover how and why living creatures rest.
What is sleep? What is resting? What is the difference between them? This book explains that difference by looking at why people need sleep, how we sleep, and looking at how animals either sleep or rest.