Everything you wanted to know about sleep but were too tired to ask. We spend about one-third of our lives sleeping. But what actually happens during those hours? This book takes you on an exciting journey into the land of sleep and beyond.

• What are circadian rhythms and how do they affect our energy levels throughout the day?

• What is the purpose of dreams and how do they occur?

• What are the different stages of sleep?

• Do animals sleep the same way we do?

With clear text and bright, distinctive illustrations, this is an excellent introduction to a topic that has fascinated us since ancient times and an impressive connection to biology and natural science lessons.

Pages: 48, Year of Publication: 0424, Dimensions: 23x23cm