Some common signs of overtraining include persistent fatigue, decreased performance, mood swings, and sleep disturbances. Athletes may experience lack of motivation, increased injuries, and a higher incidence of illness. Physically, overtraining can manifest through elevated resting heart rate, prolonged muscle soreness, and changes in appetite. Additionally, individuals might notice fluctuations in weight and overall wellness. Recognizing these signs early is important for prevention, allowing for necessary adjustments in training and recovery. Taking a balanced approach to exercise and incorporating rest is essential to maintain optimal performance and health.