Self-Reported Sleep Quality, Job Stress, and Daytime Autonomic Activities Assessed in Terms of Short-Term Heart Rate Variability among Male White-Collar Workers.

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  • KAGEYAMA Takayuki
    Department of Mental Health and Psychiatric Nursing, Oita University of Nursing and Health Sciences
  • NISHIKIDO Noriko
    Department of Community Health Nursing, St. Luke's College of Nursing
  • KOBAYASHI Toshio
    Health Science Center, Tokyo University of Mercantile Marine
  • KUROKAWA Yoshika
    Regional Environment Division, National Institute for Environmental Studies
  • KANEKO Tetsuya
    Department of Environmental Health, Faculty of Health Sciences, Kyorin University
  • KABUTO Michinori
    Regional Environment Division, National Institute for Environmental Studies

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  • Self-Reported Sleep Quality Job Stress

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To investigate the relationships among the amount of job stressors, self-reported sleep quality, and daytime autonomic activities, a questionnaire survey was conducted for 223 healthy male white-collar workers, and their short-term heart rate variability (HRV) was also examined. Half of the subjects complained of nightly poor sleep quality. Self-reported poor sleep quality was associated with a qualitative aspect of job stressors characterized by high amounts of “job difficulty”, less amounts of “achievement in job”, and less amounts of “support by colleagues”, and also with high amounts of personal distress and difficulty in changing their mood. Those who complained of poor sleep quality exhibited sympathetic predominance and reduced heartbeat intervals at standing rest, although job stressors was not correlated to HRV. These results suggest that their job stress disrupts nightly sleep, and also that their insufficient sleep at night causes daytime sympathetic predominance. However, the amount of job stressors was not directly associated with HRV. Further studies should focus on the relationships among chronic job stress, the satisfaction of sleep demands, and the daily and long-term variation in cardiac autonomic activities.

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