Fatigue is a feeling of tiredness, exhaustion or lack of energy. Fatigue diminishes alertness, slows reactions, impairs decision-making abilities and reduces productivity.

No accurate measures of fatigue exist, so how can you tell if a worker is becoming dangerously fatigued? Work Safe Alberta, a public/private initiative to reduce injuries and improve safety, lists these physical signs and symptoms of fatigue:… [244 word article, June 2011]