Sleep : Sleep cycles and stages explained - The role of anxiety - Promoting healthy attitudes - How to make sleep a natural process - All you need to know in one concise manual This book explains many of our sleep-related problems by examining the science of sleep and how human sleep habits have changed over time. Learn how to have a healthy and well adjusted attitude toward sleep and develop exercises, routines, and bedtime strategies to manage and relearn natural ways to have a good night's sleep.