The body's natural way of re-energising and healing, sleep nourishes the mind and body with it's numerous health benefits. Whether you sleep like a baby or are a perennial insomniac, Sleep will guide you through the cultural and historical perspectives of shut-eye, explain why our body clocks are so important, and delve into the four stages of sleep, from shallow to deep. You'll learn about why it's so important to nourish the mind, what really goes on when you're dreaming and how to tackle the perpetual problem of insomnia. So pyjamas at ready...it's time to get the best night's sleep you've ever had.