This guide describes the relationships between stress and recovery and explains which systems are affected by stress. It serves as a practical manual for current recovery strategies and their positive effects. Furthermore, it outlines the possibilities and impacts of monitoring. Through effective monitoring, coaches and athletes can gain insights into their current physical and mental state, as well as determine which training method is currently appropriate. This helps to avoid overtraining and select optimal training loads. However, even non-athletes will find inspiration and guidance in this book on how to manage their daily lives more effectively.