We have spent decades optimizing our waking hours, but what about the precious hours after we doze off? Packed with fascinating facts and anecdotes, the life-changing tips in this book will show you how to find the perfect soundtrack for dozing off, how to create ideas while you are asleep, how to start a sleep journal to explore dreaming, and the best recipes for drinks and food that will make you drowsy. Drawing on the success of Calm, the #1 app for sleep, meditation and relaxation, Michael Acton Smith writes the ultimate handbook for healthy sleeping. Beautifully illustrated and packed with fascinating facts and anecdotes, these life-changing tips this book will tell you everything you ever needed to know about sleep but were too tired to ask.