Reducing human errors caused by daytime sleepiness among train drivers is important to prevent train accidents. Our purpose of the study was to investigate the association among sleep, workplace sleeping environments, and human errors.

中文翻译：

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韩国男火车司机的睡眠、睡眠环境和人为错误

减少火车司机白天困倦造成的人为错误对于防止火车事故很重要。我们研究的目的是调查睡眠、工作场所睡眠环境和人为错误之间的关联。