Sleep Groove is Why We Sleep meets what if?--an accessible, engaging tour of sleep and circadian science from an expert. With a sleep-wonk's attention to detail tempered by approachable graphs and illustrations, this myth-busting guide to sleep is the perfect introduction to how circadian science can demystify your nights and help reset your days. Sleep Groove introduces readers to the easy-to-understand but often misunderstood concepts and science behind circadian rhythms and how changes in daily habits can greatly improve one's sleep patterns and quality of life. Through conversational writing, humorous analogies, charts, and even comics, this book helps explain the nuances of sleep using the latest in sleep research and technology, delving into sleep-related issues like light sensitivity, jet lag, daylight savings time, napping, and how to establishing rhythmicity in our waking and sleeping routines. This fascinating illustrated guide to all things sleep takes aim at many of our long-held myths surrounding sleep and provides an easy-to-understand guide to what exactly is going on in the third of our lives we spend sleeping, posing questions like: Do we really need eight hours of sleep each night? What happens if you stay awake for 205 hours? Is REM sleep the only kind of sleep that matters? For anyone who has wondered why their sleep is so weird and what they can do about it, this book is the perfect guide to finding your own personal sleep groove.