1. Increase in Resting Heart rate (taken before getting out of bed in the morning for at least 10 consecutive days).
  2. Persistent muscle soreness.
  3. Fatigue. Reluctance to train.  Body is tired and heavy.  Pattern of skipping practices or games.
  4. Sleeplessness: trouble falling asleep, wake during the night.
  5. Decrease in appetite.  Weight loss.  Irregular menstruation in females.
  6. More frequent colds, upper respiratory infections.
  7. Boredom.  Lack of motivation. May have falling grades.
  8. Decrease in self-esteem.  Unhappiness that pervades other activities.
  9. Cynicism.  Negative outlook. Moodiness. Inappropriate response to usual stresses.
  10. Frequent minor injuries.  Injuries which are slow to heal or recur.