Stress, arousal and workload

(Stress Management, Fatigue and Sleep)

There is a neat comparison to draw: just as an airframe has structural stress limits, so do you, except your limits are uncertain, personal, and change from day to day. Stress management is as much a flight-safety skill as fuel management. And the central idea of this section is one graph: a little stress sharpens you up, too much wrecks your performance.