Chapter 6

Fatigue and human performance


Generally being awake for a more than the typical 16 h will lead to measurable biological changes and associated declines in performance. This can include drops in concentration, working memory, analytical capacity, and reasoning ability. This chapter details how human fatigue caused by a lack of sleep influences our performance with respect to hand–eye coordination, mood, memory, reaction time, attention, decision making, and interacting with others.


human fatigue performance
sleep deprivation decision making
The most obvious effect of sleep deprivation is sleepiness which is characterized by fatigue, lack of motivation, and the urge to nod off. Scientists measure sleepiness ...

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