In her new book, Arianna Huffington, the president and editor in chief of the Huffington Post and the author of the #1 New York Times bestseller Thrive, tackles the importance of sleep in our liveswhy so many of us are sleep deprived, the sobering impact of sleep deprivation on performance and long-term success, and how each of us can take control of our lives and live more fully and be more engaged by being more rested and able to tackle the inevitable challenges we face.