Download or read book Why We Sleep written by Matthew Walker and published by Simon and Schuster. This book was released on 2017-10-03 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Sleep is one of the most important but least understood aspects of our life, wellness, and longevity ... An explosion of scientific discoveries in the last twenty years has shed new light on this fundamental aspect of our lives. Now ... neuroscientist and sleep expert Matthew Walker gives us a new understanding of the vital importance of sleep and dreaming"--Amazon.com.