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The phenomenal bestseller that's starting a sleep revolution, now in paperback.

Sleep is one of the most important aspects of our life, health and longevity and yet it is increasingly neglected in twenty-first-century society, with devastating consequences: every major disease in the developed world - Alzheimer's, cancer, obesity, diabetes - has very strong links to deficient sleep. In this book, the first of its kind written by a scientific expert, Professor Matthew Walker explores twenty years of cutting-edge research to solve the mystery of why sleep matters. Looking at creatures from across the animal kingdom as well as major human studies, Why We Sleep delves in to everything from what really happens in our brains and bodies when we dream to how caffeine and alcohol affect sleep and why our sleep patterns change across a lifetime, transforming our appreciation of the extraordinary phenomenon that safeguards our existence.

Formats & editions

  • Paperback


    January 4, 2018

    Penguin Press

    RRP $22.99

    Online retailers

    • Abbey's Bookshop
    • Amazon
    • Angus & Robertson Bookworld
    • Booktopia
    • Boomerang Books
    • Collins Booksellers
    • Dymocks
    • Books Kinokuniya
    • The Nile
    • QBD
    • Readings
    • Robinsons Bookshop

    Find your local bookstore at booksellers.org.au

  • EBook


    October 5, 2017

    Penguin eBooks

    Online retailers

    • iBooks
    • Amazon Kindle
    • Booktopia
    • eBooks
    • Google Play
    • Kobo


The Sleep Revolution
Back to Life
The Eureka Factor
The Complete A to Z Dictionary of Dreams
The Sleepyhead's Bedside Companion
Parenting In The Age Of Attention Snatchers
The Consuming Instinct
Solve Your Child's Sleep Problems
Goodnight, Max The Brave
7pm to 7am Sleeping Baby Routine
The 4 Pillar Plan
The Man Who Wasn't There: Tales from the Edge of the Self
The Little Elephant Who Wants To Fall Asleep
Putting the Monkeys to Bed
You Are Not Your Brain: The 4-Step Solution for Changing Bad Habits, Ending Unhealthy Thinking, and Taking Control of Your Life
Once Upon a Cloud
Little Sleepyhead