Signs of dehydration in athletes include increased thirst, dry mouth, and decreased urine output. Athletes may also experience fatigue, dizziness, and muscle cramps, which can impact their performance. More severe symptoms can involve confusion, rapid heartbeat, and fainting. It’s crucial for athletes to monitor their hydration levels before, during, and after exercise, especially in hot or humid conditions. Staying adequately hydrated improves overall performance, enhances recovery, and reduces the risk of heat-related illnesses. Regularly consuming fluids and electrolyte-rich beverages can help maintain optimal hydration levels.