Department of Occupational Mental Health, Graduate School of Medical Science Kitasato University, Sagamihara, Kanagawa, Japan.
Ind Health. 2010;48(6):758-65. doi: 10.2486/indhealth.ms1083. Epub 2010 Jul 1.
To investigate the effects of sleep hygiene education for workers of an information technology (IT) company, we conducted a controlled clinical trial providing 581 workers one-hour sleep hygiene education. The contents of the sleep hygiene education program were a review of sleep habits, provide sleep hygiene education, and the establishment of sleep habit goals. A self-report questionnaire was used to measure outcomes including the Pittsburgh Sleep Quality Index (PSQI), Karolinska Sleepiness Scale (KSS), Checklist Individual Strength (CIS), Center for Epidemiologic Studies for Depression (CES-D), and mean sleep duration on weekdays before and 4 wk after the intervention. A total of 391 participants were included in the analysis, with 214 participants in the sleep hygiene education group and 177 in the waiting list group. KSS score at 2 P.M. decreased by 0.42 points in the sleep hygiene education group, but increased by 0.08 points in the waiting list group, showing a significant effect size of 0.50 (95%CI, -0.97 to -0.04, p<0.05). PSQI score also improved, but the inter-group difference was not statically significant. The present study provides preliminary evidence that brief sleep hygiene education may improve afternoon sleepiness at work, but not sleep at night for IT workers.
为了调查睡眠卫生教育对信息技术（IT）公司员工的影响，我们进行了一项对照临床试验，为 581 名员工提供了一个小时的睡眠卫生教育。睡眠卫生教育计划的内容包括回顾睡眠习惯、提供睡眠卫生教育以及设定睡眠习惯目标。采用自我报告问卷来衡量结果，包括匹兹堡睡眠质量指数（PSQI）、卡洛尔林斯睡眠量表（KSS）、个体力量检查表（CIS）、抑郁流行病学研究中心（CES-D）以及干预前和 4 周后工作日的平均睡眠时间。共有 391 名参与者纳入分析，其中睡眠卫生教育组 214 名，候补名单组 177 名。睡眠卫生教育组下午 2 点的 KSS 评分下降了 0.42 分，而候补名单组则上升了 0.08 分，表明效果大小为 0.50（95%CI，-0.97 至 -0.04，p<0.05）。PSQI 评分也有所改善，但组间差异无统计学意义。本研究初步表明，简短的睡眠卫生教育可能会改善 IT 员工下午的工作困倦感，但不会改善夜间睡眠。
