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首页> 外文期刊>Accident Analysis & Prevention >Sleep inertia associated with a 10-min nap before the commute home following a night shift: A laboratory simulation study
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Sleep inertia associated with a 10-min nap before the commute home following a night shift: A laboratory simulation study

机译：夜班后通勤回家前小睡10分钟带来的睡眠惯性：一项实验室模拟研究

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摘要

Night shift workers are at risk of road accidents due to sleepiness on the commute home. A brief nap at the end of the night shift, before the commute, may serve as a sleepiness countermeasure. However, there is potential for sleep inertia, i.e. transient impairment immediately after awakening from the nap. We investigated whether sleep inertia diminishes the effectiveness of napping as a sleepiness countermeasure before a simulated commute after a simulated night shift. N = 21 healthy subjects (aged 21-35 y; 12 females) participated in a 3-day laboratory study. After a baseline night, subjects were kept awake for 27 h for a simulated night shift. They were randomised to either receive a 10-min nap ending at 04:00 plus a 10-min pre-drive nap ending at 07:10 (10-NAP) or total sleep deprivation (NO-NAP). A 40-min York highway driving task was performed at 07:15 to simulate the commute. A 3-min psychomotor vigilance test (PVT-B) and the Samn-Perelli Fatigue Scale (SP-Fatigue) were administered at 06:30 (pre-nap), 07:12 (post-nap), and 07:55 (post-drive). In the 10-NAP condition, total pre-drive nap sleep time was 9.1 +/- 1.2 min (mean +/- SD), with 1.3 +/- 1.9 min spent in slow wave sleep, as determined polysomnographically. There was no difference between conditions in PVT-B performance at 06:30 (before the nap). In the 10-NAP condition, PVT-B performance was worse after the nap (07:12) compared to before the nap (06:30); no change across time was found in the NO-NAP condition. There was no significant difference between conditions in PVT-B performance after the drive. SP-Fatigue and driving performance did not differ significantly between conditions. In conclusion, the pre-drive nap showed objective, but not subjective, evidence of sleep inertia immediately after awakening. The 10-min nap did not affect driving performance during the simulated commute home, and was not effective as a sleepiness countermeasure. (C) 2015 Elsevier Ltd. All rights reserved.
机译：夜班工人由于通勤家中的困倦而有发生交通事故的风险。在通勤前夜班结束时小睡一会可能是困倦的对策。但是，可能存在睡眠惯性，即从午睡醒来后立即出现短暂性损伤。我们调查了睡眠惯性是否会降低模拟夜班后通勤前午睡作为睡意对策的有效性。 N = 21名健康受试者（21-35岁； 12名女性）参加了为期3天的实验室研究。在基准夜晚之后，将受试者保持清醒状态27小时以进行模拟的夜班。他们被随机分配，以在04:00结束的10分钟小睡加上在07:10结束的10分钟的开车前小睡（10-NAP）或完全剥夺睡眠（NO-NAP）。在07:15执行了40分钟的约克高速公路驾驶任务，以模拟通勤。在06:30（午睡前），07：12（午睡后）和07:55（3分）进行了3分钟的心理运动警惕性测试（PVT-B）和Samn-Perelli疲劳量表（SP-Fatigue）。后驱动器）。在10-NAP条件下，驾驶前小睡的总睡眠时间为9.1 +/- 1.2分钟（平均+/- SD），慢波睡眠时间为1.3 +/- 1.9分钟，这是通过多导睡眠图确定的。在06:30（午睡前），PVT-B表现的条件之间没有差异。在10-NAP条件下，午睡后（07:12）的PVT-B性能要比午睡前（06:30）差。在NO-NAP条件下，未发现时间变化。驱动后，PVT-B性能的条件之间没有显着差异。在不同条件下，SP疲劳和驾驶性能没有显着差异。总之，驾驶前的午睡在醒来后立即显示出客观但非主观的睡眠惯性证据。在模拟的通勤回家中，小睡10分钟不会影响驾驶性能，并且不能有效地缓解困倦。 （C）2015 Elsevier Ltd.保留所有权利。

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