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首页> 美国政府科技报告 >Sleep Patterns in Air Traffic Controllers Working Rapidly Rotating Shifts: AField Study
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Sleep Patterns in Air Traffic Controllers Working Rapidly Rotating Shifts: AField Study

机译：空中交通管制员的睡眠模式快速旋转班次：aField研究

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This study was part of a research program in shift work and fatigue in the AirTraffic Control (ATC) environment. The purpose of the study was to investigate three different shift schedules in use at ATC facilities with respect to potential disruption of the sleep/wake cycle. A straight day schedule of early morning shifts (i.e., beginning before 0800), and two variations of counterclockwise, rapidly rotating shift schedules, the 2-2-1 and 2-1-2, were analyzed in terms of total sleep time, asleep and awake times, and subjective ratings of sleep quality and sleepiness. Data were collected in daily logbooks by air traffic control specialists (ATCS's). Total sleep time on the 2-2-1 schedule showed a characteristic decline from approximately 8 hours before the two afternoon shifts, to 5 hours before the two early morning shifts, to 2.4 hours before the midnight shift. Total sleep time on the 2-1-2 schedule decreased from 7.5-8 hours before the two afternoon shifts and one midday shift to approximately 6 hours before the two early morning shifts. Total sleep time on the straight day shift schedule was approximately 6 hours for each day of the week. The least amount of sleep was obtained before early morning shifts in all of the schedules and before the midnight shift in the 2-2-1 schedule. Disruptions in the timing of sleep were limited to changes in the timing of waking up associated with rotations into the early morning shifts for the 2-2-1 and 2-1-2 schedules and, of course, the afternoon sleep before the midnight shift. Neither subjective ratings of sleep quality or sleepiness were found to vary by schedule type. More 'high' ratings of sIeepiness on the drive home, however, were reported following the midnight shift than any other shift.

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