Chapter 22

Managing fatigue

K. McCulloch

Abstract

Fatigue is the mental, physical, or emotional impairment caused by inadequate sleep or excessive wakefulness. This is caused by poor sleep quality and/or quantity, or being awake for long periods of time. Sleep is a basic biological need that is essential to health, performance, safety, and quality of life. Fatigue-related impairment has been implicated in many major accidents and may be caused by work or non-work-related factors. Principally these factors relate to hours of work, sleep opportunity, and certain tasks and environments that may exacerbate the effects of fatigue. Fatigue-related risks can be controlled by managing five key elements: providing sleep opportunity; defining individual ...

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