Why We Sleep: Unlocking the Power of Sleep and Dreams

Why We Sleep: The New Science of Sleep and Dreams is a popular science book about sleep by the neuroscientist and sleep researcher, Matthew Walker. Walker is a professor of neuroscience and psychology and the director of the Center for Human Sleep Science at the University of California, Berkeley.

A New York Times bestseller and international sensation, this “stimulating and important book” (Financial Times) is a fascinating dive into the purpose and power of slumber. ... Now, preeminent neuroscientist and sleep expert Matthew Walker gives us a new understanding of the vital importance of sleep and dreaming.