Why We Sleep by Matthew Walker

In this fascinating bestseller, renowned sleep expert, Professor Matthew Walker explores twenty years of cutting-edge research to solve the mystery of why sleep matters. And how sleep is one of the most important aspects of our life, health and longevity.

From what really happens during REM sleep to how caffeine and alcohol affect sleep and why our sleep patterns change as we grow older, Why We Sleep - The new Science of Sleep and Dreams is the wake-up call we need: transforming our appreciation of the vital role of sleep in all aspects of our lives.

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TLS, OBSERVER, SUNDAY TIMES, FT, GUARDIAN, DAILY MAIL AND EVENING STANDARD BOOKS OF THE YEAR 2017