The Magic of Sleep addresses all of your concerns about what happens in your head while you sleep, such as the difference between light and deep sleep, where dreams come from, and how important sleep is to your overall health. Learn amazing facts about how people used to sleep and how people sleep differently around the world. Did you know that the oldest mattress was discovered in South Africa and dates back 77,000 years? Vicky Woodgate's vivid and captivating graphics bring the subject to life. Learn about various creatures' sleeping patterns, from bears hibernating to bats sleeping upside down, in addition to humans. Plants, too, sleep! Finally, discover how to achieve a good night's sleep using practical suggestions and tricks.