The Life-Changing Science of Sleep—And Why You Need More of It

What if the secret to a healthier, sharper, and longer life was something you’ve been neglecting every night?

In Why We Sleep, renowned neuroscientist Matthew Walker unravels the mystery of sleep and reveals why it’s the cornerstone of every aspect of our well-being. For decades, scientists couldn’t explain why we spend a third of our lives unconscious. But now, thanks to groundbreaking research, we know that sleep isn’t just rest—it’s survival.

Walker exposes the shocking consequences of sleep deprivation, linking it to Alzheimer’s, cancer, obesity, diabetes, and even mental health disorders. Yet, in our fast-paced world, sleep is often the first thing we sacrifice—without realizing we’re paying the ultimate price.

In this eye-opening book, you’ll discover:

• What really happens in your brain during REM sleep—and why it fuels creativity and emotional stability.
• How caffeine and alcohol silently sabotage your sleep—and what to do about it.
• Why teenagers are wired to sleep late—and how school schedules are failing them.
• How sleep boosts memory, sharpens decision-making, and even enhances athletic performance.
• The life-extending benefits of a full night’s rest—and why even a few lost hours can take years off your life.

Why We Sleep is more than just a book—it’s a wake-up call. With clear, compelling insights and practical advice, it will change the way you think about sleep forever—and convince you that getting more of it is the single most powerful investment you can make in your health, happiness, and future.