Comparison of fatigue and sleepiness assessments in pilots using actigraphy and self-reported scales, indicating high relevance for aviation safety.
Introduction: Fatigue and sleepiness play a crucial role in aviation as they can affect several pilot skills, such as cognitive performance, situation awareness, communication, and decision making. Fatigue risk management systems are usually based upon several components, including aircrew fatigue reactive reports and proactive and predictive approaches based mostly on bio-mathematical models. In this study, the predictions of fatigue and sleepiness from the SAFTE-FAST model [1] were compared with self-rated Samn-Perelli (SP) and Karolinska Sleepiness Scale (KSS) scores from Brazilian airline pilots [2].
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Furlan et al. (2025) studied this question.
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