As an international bestseller by neuroscientist Professor Matthew Walker, Why We Sleep: The New Science of Sleep and Dreams explores twenty years of cutting-edge research to reveal the profound importance of sleep for health and longevity. This essential reference delves into the consequences of sleep deficiency, which has strong causal links to major diseases like Alzheimer's, cancer, obesity, and diabetes in the developed world.

This book transforms the appreciation of sleep, examining everything from what occurs during REM sleep to the effects of caffeine and alcohol, and how sleep patterns change across a lifetime.

• Explores the extraordinary phenomenon that safeguards human existence, showing sleep is more important than diet or exercise for wellbeing.
• Analyzes twenty years of cutting-edge sleep science from a leading scientific expert.
• Investigates the impact of sleep on learning capacity (afternoon naps increase it by 15-20%).
• Details how sleep improves memory, halting forgetting by 30-50% compared to staying awake.
• Examines how sleep deprivation affects cravings (increasing sweet and salty cravings by 30-40%).
• Highlights sleep's role in creativity, problem-solving, and physical performance (improving exercise exhaustion time by 10-30%).

• Author: Matthew Walker
• Binding: Paperback
• Edition: 1st Edition
• Language: English
• Publication Date: January 4, 2018
• Print Length: 368 pages
• Dimensions: 127 x 197 mm (Approx. 5 x 7.75 inches)
• Weight: 268g
• ISBN-13: 978-0141983769

This vital book serves as a wake-up call, offering crucial knowledge for anyone interested in psychology, health, and the biological necessity of sleep.