Why We Sleep

What if you could unlock a secret superpower that makes you smarter, more attractive, healthier, and happier overnight? Neuroscientist Matthew Walker reveals that this power isn't a fantasy—it's the incredible, and often misunderstood, force of a full night's sleep. Discover why society is facing a silent sleep-loss epidemic and how it's damaging every aspect of your well-being, from your immune system to your memory. You'll learn simple, science-backed strategies to reclaim your nights, harness the power of dreams, and transform your life by finally getting the sleep you need.

Matthew Walker, Ph.D., is the world-renowned professor of neuroscience and psychology at UC Berkeley and the founder and director of the Center for Human Sleep Science. After dedicating over two decades to researching sleep and its profound impact on every aspect of human health, he wrote this book to demystify its power. His mission is to reunite humanity with sleep, providing a scientific roadmap to help us harness its transformative benefits for our brains, bodies, and emotional well-being.