• Sleep disturbances.
• Loss of self-confidence.
• Drowsiness and apathy.
• Quarrelsomeness.
• Irritability.
• Emotional and motivational imbalance.
• Excessive weariness that is prolonged.
• Lack of appetite.
• Fatigue.
• Depression.
• Anxiety.
• Anger/hostility.
• Confusion.

Some of the causes may be:

• Length of the total season.
• Monotony of training.
• Feelings of claustrophobia.
• Lack of positive reinforcement.
• Feeling of helplessness.
• Abusiveness from authorities.
• Stringent rules.
• High levels of competitive stress.
• Perceived overload.
• Boredom.
• Perceived low accomplishment.

• Schedule time-outs.
• Allow athletes to make some choices in decision making.
• Plan mental practice periods.
• Motivate athletes using positive reinforcement.
• Handle postcompetition tension.