Arianna Huffington's personal wakeup call came in the form of a broken cheekbone and a nasty gash over her eye - the result of a fall brought on by exhaustion and lack of sleep. The co-founder and editor-in-chief of the Huffington Post, one of the fastest growing media companies in the world, celebrated as one of the world's most influential women, gracing the covers of magazines, she was, by any traditional measure, extraordinarily successful. Yet as she found herself going from brain MRI to CAT scan to echocardiogram, to find out if there was any underlying medical problem beyond exhaustion, she found herself wondering, is this really what success feels like?

In Thrive, she has written a passionate call to arms, looking to redefine what it means to be successful in today's world. In a commencement address she gave at Smith College in the spring of 2013, Arianna likened our drive for money and power to two legs of a three-legged stool. It may hold us up temporarily, but sooner or later we're going to topple over. We need a third leg - a Third Metric for defining success. In this deeply personal book, Arianna talks candidly about her own challenges with managing time and prioritizing the demands of a career and two daughters - of juggling business deadlines and family crises, a harried dance that led to her collapse - and to her "aha moment". Drawing on the latest groundbreaking research and scientific findings in the fields of psychology, sports, sleep and physiology that show the profound and transformative effects of meditation, mindfulness, unplugging, and giving, Arianna shows us the way to a revolution in our culture, our thinking, our workplaces, and our lives.