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Related Experiment Videos

Shiftwork and the older worker

D I Tepas1, J C Duchon, A H Gersten

  • 1Department of Psychology, University of Connecticut, Storrs 06269-1020.

Experimental Aging Research
|October 1, 1993
PubMed
Summary
This summary is machine-generated.

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Extended workdays in an underground mine: a work performance analysis.

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Sleep patterns of shiftworkers.

Occupational medicine (Philadelphia, Pa.)·1990

Shiftwork significantly impacts worker safety and health, with sleep duration decreasing with age and varying by gender, especially for night shift workers. Most night shift workers may be at risk despite appearing to tolerate it.

Area of Science:

  • Occupational Health
  • Sleep Medicine
  • Human Factors Engineering

Background:

  • The prevalence of shiftwork is substantial and growing, posing complex occupational safety and health challenges.
  • Shiftwork's impact is influenced by biological and behavioral factors, with increasing exposure potentially exceeding a worker's tolerance limit.
  • Sleep disturbances are key indicators of the adverse effects of night shiftwork.

Purpose of the Study:

  • To investigate the relationship between shiftwork, age, and gender on workday sleep length and nap behavior.
  • To identify demographic factors influencing sleep patterns in shift workers.
  • To assess the risk associated with shiftwork, particularly night shifts.

Main Methods:

  • Analysis of workday sleep length and nap behavior data from U.S. shift workers across different shifts (day, afternoon/evening, night).

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  • Statistical examination of interactions among age, gender, and shift type.
  • Exploration of age and gender effects on sleep variables.

    • Main Results:

    • A significant interaction was found between age, gender, and shift type for workday sleep length.
    • Sleep length decreases with age for both male and female night shift workers and for male afternoon/evening shift workers.
    • Female night workers (18-49 years) sleep less than their male counterparts; nap behavior varies but is not fully explained by age and gender.

    Conclusions:

    • Most night shift workers are likely at risk for adverse health effects, even if they appear to adapt.
    • Age and gender are significant moderators of sleep disruption in shift workers.
    • Further research is needed to understand the interplay of social, circadian, and environmental factors with age and gender in shiftworker sleep.