Breaking Point: How to tell you have reached the burnout phase? The term 'Burnout' is relatively a new term coined by Herbert Freudenberger in 1974, and according to him, burnout is... Overwork is definitely a problem in America as the rates of burnout across fields are between 40 to 50 per cent. Here are some signs that you are burning out: Depleted physical energy Emotional exhaustion Increased illness Increasingly pessimistic outlook Increased absenteeism and inefficiency at work Impaired concentration