Why We Sleep: Unlocking the Power of Sleep and Dreams

Author: Matthew Walker PhD

We all have a relationship with sleep. We tend to understand that sleep is important, but I think many don’t give it enough credit. This book hit me early with a profound fact: “Without exception, every animal species studied to date sleeps, or engages in something remarkably like it.”

The author of this book, Matthew Walker, is a sleep researcher. He doesn’t think his profession has done a good enough job communicating the science of sleep nor the implications of not sleeping enough. So he wrote this book. I, as a reader, am thoroughly convinced.

Walker references dozens of studies that all highlight aspects of the same core conclusion – sleep is critical to high physical and mental performance, and there’s no way to cheat it.  If you are sleep deprived at all (even 60 minutes matters), you aren’t functioning at your best. Moreover, if you’re sleep deprived you are opening the door to all sorts of diseases because your immune system isn’t operating at 100%.

I think this book is applicable to everybody – whether you’re already a good sleeper or not – for the insight that it brings around how to improve sleep quality.

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