Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response01:15

Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response

Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
Quantifying Work02:30

Quantifying Work

As a system undergoes a change, its internal energy can change, and energy can be transferred from the system to the surroundings, or from the surroundings to the system.
Social Traps01:41

Social Traps

Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned more cows, the larger...
Biological Clocks and Seasonal Responses02:45

Biological Clocks and Seasonal Responses

The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Psychosocial Hazards in the Northern Territory Building and Construction Industry: A Profile of Job Demands and Job Resources in a Jurisdiction and Industry with High Rates of Suicide.

International journal of environmental research and public health·2024
Same author

Fatigue and recovery in shiftworking nurses: A scoping literature review.

International journal of nursing studies·2020
Same author

The impact of shift work on eating patterns and self-care strategies utilised by experienced and inexperienced nurses.

Chronobiology international·2018
Same author

Coping strategies and social support needs of experienced and inexperienced nurses performing shiftwork.

Journal of advanced nursing·2017
Same author

Contemporary research findings in shiftwork.

Applied ergonomics·2008
Same author

The effect of time of day on injury patterns amongst adolescents in Australia.

Applied ergonomics·2008

Related Experiment Video

Updated: Jul 7, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Balancing shiftwork and life outside work: do 12-h shifts make a difference?

Rebecca Loudoun1

  • 1Department of Employment Relations, Griffith University, Nathan, Brisbane 4111, Australia. r.loudoun@griffith.edu.au <r.loudoun@griffith.edu.au>

Applied Ergonomics
|February 19, 2008
PubMed
Summary
This summary is machine-generated.

Twelve-hour shifts do not impact work-life conflict more than 8-hour shifts for machine operators. Work-life conflict was linked to psychological health but not physical health in this study.

More Related Videos

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
10:16

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World

Published on: April 7, 2020

The Attentional Set Shifting Task: A Measure of Cognitive Flexibility in Mice
09:15

The Attentional Set Shifting Task: A Measure of Cognitive Flexibility in Mice

Published on: February 4, 2015

Related Experiment Videos

Last Updated: Jul 7, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
10:16

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World

Published on: April 7, 2020

The Attentional Set Shifting Task: A Measure of Cognitive Flexibility in Mice
09:15

The Attentional Set Shifting Task: A Measure of Cognitive Flexibility in Mice

Published on: February 4, 2015

Area of Science:

  • Occupational Health
  • Sociology of Work
  • Psychology

Background:

  • Extended work hours, such as 12-hour shifts, are increasingly popular alternatives to traditional 8-hour shifts.
  • This popularity is often attributed to perceived benefits for social and family life, though empirical evidence remains limited.
  • Few longitudinal studies have investigated the relationship between shift length and work-non-work conflict.

Purpose of the Study:

  • To examine the differential impact of 8-hour versus 12-hour shifts on work-non-work conflict.
  • To investigate the associations between work-non-work conflict and subjective physical and psychological health.
  • To provide empirical data on the long-term effects of shift length on work-life balance.

Main Methods:

  • Longitudinal study utilizing self-report data from 137 machine operators.
  • Analysis of work-non-work conflict in relation to shift length (8-hour vs. 12-hour).
  • Regression analyses to assess the relationship between work-non-work conflict and subjective health outcomes.

Main Results:

  • Profile analysis indicated no significant differences in work-non-work conflict based on shift length.
  • Regression analyses revealed a positive association between work-non-work conflict and psychological health for both 8-hour and 12-hour shift workers (p<.01).
  • No significant relationship was found between work-non-work conflict and physical health.

Conclusions:

  • Twelve-hour shifts do not appear to offer distinct advantages or disadvantages regarding work-non-work conflict compared to 8-hour shifts over a 13-month period.
  • Work-non-work conflict is a significant factor influencing psychological well-being, irrespective of shift length.
  • The findings challenge anecdotal evidence by suggesting shift length alone may not be the primary determinant of work-life balance challenges.