Magic of SleepWe have spent decades optimising our waking hours, but what about the precious hours after we doze off (or try to)? As the most active time for our brains and the most important element to a calmer, happier life, sleep has become the topic of our times. Drawing on the success of Calm, the #1 app for meditation and mindfulness, Michael Acton Smith writes the ultimate handbook for healthy sleeping. Packed with fascinating facts and stories, and life