Why We Sleep

The New Science of Sleep and Dreams

By Matthew Walker (2017)

Until very recently, science had no answer to the question of why we sleep, or what good it served, or why its absence is so damaging to our health. Compared to the other basic drives in life - eating, drinking, and reproducing - the purpose of sleep remained elusive. Now, in this book, the first of its kind written by a scientific expert, Professor Matthew Walker...