We are in the midst of a sleep deprivation crisis, writes Arianna Huffington, the co-founder and editor in chief of The Huffington Post. And this has profound consequences -- on our health, our job performance, our relationships and our happiness. What is needed, she boldly asserts, is nothing short of a sleep revolution. Only by renewing our relationship with sleep can we take back control of our lives. In her bestseller Thrive, Arianna wrote about our need to redefine success through well-being, wisdom, wonder, and giving. Her discussion of the importance of sleep as a gateway to this more fulfilling way of living struck such a powerful chord that she realized the mystery and transformative power of sleep called for a fuller investigation. The result is a sweeping, scientifically rigorous, and deeply personal exploration of sleep from all angles, from the history of sleep, to the role of dreams in our lives, to the consequences of sleep deprivation,...