0194 Sleep Quantity And Quality, Pvt-b Performance, And Subjective Sleepiness, Fatigue, And Stress In Commercial Motor Vehicle (cmv) Drivers: On-duty Days Vs. Restart (off-duty) Days

Dinges, David F.; Maislin, Greg; Hanowski, Richard J.; Mollicone, Daniel J.; Hickman, Jeffrey S.; Maislin, David; Kan, Kevin; Hammond, Rebecca; Soccolich, Susan; Moeller, Devon; Trantalange, Michael; Cordoza, Makayla; Kaizi-Lutu, Marc

doi:10.1093/sleep/zsz067.193

Cited by 5 publications

(6 citation statements)

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“…These rules currently focus on the number of hours on duty (i.e., work hours) and the number of hours of sleep (i.e., sleep duration), but they do not fully take into account what time of day sleep may be occurring and whether this time aligns with drivers’ circadian rhythms (i.e., sleep quality) (Federal Motor Carrier Safety Administration, 2017; Lemke et al, 2016). However, recent changes in HOS rules have addressed circadian rhythms, such as a new requirement that “restart breaks”— which allow drivers to reset the number of hours they have accumulated toward two other HOS rules (which stipulate that drivers may not drive after accruing 60 hours on duty in the past 7 days or 70 hours on duty in the past 8 days)—must include at least two nighttime (1 a.m. to 5 a.m.) periods (Dinges et al, 2015). Evaluations of this rule change have indicated that they did not affect sleep quality ratings; however, it appears that this change has had a positive impact on sleep duration (Dinges et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

“…However, recent changes in HOS rules have addressed circadian rhythms, such as a new requirement that “restart breaks”— which allow drivers to reset the number of hours they have accumulated toward two other HOS rules (which stipulate that drivers may not drive after accruing 60 hours on duty in the past 7 days or 70 hours on duty in the past 8 days)—must include at least two nighttime (1 a.m. to 5 a.m.) periods (Dinges et al, 2015). Evaluations of this rule change have indicated that they did not affect sleep quality ratings; however, it appears that this change has had a positive impact on sleep duration (Dinges et al, 2015). Further modifying HOS rules, such as considering circadian rhythms or further restricting daily and weekly work hours, would potentially have widespread impacts for all three factors.…”

Section: Discussionmentioning

confidence: 99%

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The Impact of Work Organization, Job Stress, and Sleep on the Health Behaviors and Outcomes of U.S. Long-Haul Truck Drivers

et al. 2019

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Background. Compared with other occupations, long-haul truck drivers (LHTD) engage in excessively unhealthy behaviors and experience disproportionately poor health outcomes. Health promotion efforts targeting LHTDs focus on improving individual-level behaviors; however, this occupation is replete with adverse work organization characteristics, high job stress, and compromised sleep health, which are hypothesized to cause poor health behaviors and outcomes among LHTDs. Therefore, the purpose of this study was to explore the connections between work characteristics, job stress, and sleep outcomes, and health behaviors and physical and mental health outcomes among LHTDs. Method. This was a cross-sectional study, using interviewer-administered surveys with LHTDs ( n = 260). Bivariate correlation analysis was used to explore the associations among work organization, job stress, sleep health, and health behaviors and outcomes. Logistic regression analyses were used to determine whether these work organization, job stress, and sleep factors predicted health behaviors and outcomes. Results. Long work hours of more than 11 hours daily (odds ratio [OR] = 2.34) resulted in increased odds of high caffeine consumption. High job stress (OR = 0.48) and poor sleep quality (OR = 0.42) led to decreased odds for spending at least 1 hour daily for cooking/eating. Low sleep duration, less than 7 hours daily (OR = 2.55), led to increased odds of a physical health diagnosis. Both high job stress (OR = 3.58) and poor sleep quality (OR = 2.22) resulted in increased odds of a mental health diagnosis. Conclusion. Health promotion efforts targeting LHTDs need to be coupled with upstream policy, environmental, and systems-level change, especially at the governmental and trucking industry levels.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

The Impact of Work Organization, Job Stress, and Sleep on the Health Behaviors and Outcomes of U.S. Long-Haul Truck Drivers

et al. 2019

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“…Interpretation of this data is extrapolated into several performance metrics (i.e., mean RT, lapses, and false starts) as measures of behavioural alertness. Several research experiments have incorporated the PVT-B as an objective measure of a subject’s vigilance [ 70 , 71 ]. Benefits of using the PVT-B in this study’s context are that it can be undertaken remotely online and is intuitive for participants to perform [ 72 ].…”

Section: Methodsmentioning

confidence: 99%

Auditory Countermeasures for Sleep Inertia: Exploring the Effect of Melody and Rhythm in an Ecological Context

Garcia

Verhagen

et al. 2020

Clocks & Sleep

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Sleep inertia is a decline in cognition one may experience upon and following awakening. A recent study revealed that an alarm sound perceived as melodic by participants displayed a significant relationship to reports of reductions in perceived sleep inertia. This current research builds on these findings by testing the effect melody and rhythm exhibit on sleep inertia for subjects awakening in their habitual environments. Two test Groups (A and B; N = 10 each) completed an online psychomotor experiment and questionnaire in two separate test sessions immediately following awakening from nocturnal sleep. Both groups responded to a control stimulus in the first session, while in the second session, Group A experienced a melodic treatment, and Group B a rhythmic treatment. The results show that the melodic treatment significantly decreased attentional lapses, false starts, and had a significantly improved psychomotor vigilance test (PVT) performance score than the control. There was no significant result for reaction time or response speed. Additionally, no significant difference was observed for all PVT metrics between the control–rhythmic conditions. The results from this analysis support melodies’ potential to counteract symptoms of sleep inertia by the observed increase in participant vigilance following waking from nocturnal sleep.

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“…mean RT, Lapses and False Starts) as measures of behavioural alertness. Several research experiments have incorporated the PVT-B as an objective measure of a subject’s vigilance (70, 71). Benefits for using the PVT-B in this study’s context are that it can be undertaken remotely online and is intuitive for participants to perform (72).…”

Section: Methodsmentioning

confidence: 99%

Auditory Countermeasures for Sleep Inertia: An Ecological Study Examining the Influence of Melody and Rhythm

Garcia²,

Verhagen

et al. 2020

Preprint

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0194 Sleep Quantity And Quality, Pvt-b Performance, And Subjective Sleepiness, Fatigue, And Stress In Commercial Motor Vehicle (cmv) Drivers: On-duty Days Vs. Restart (off-duty) Days

Cited by 5 publications

References 0 publications

The Impact of Work Organization, Job Stress, and Sleep on the Health Behaviors and Outcomes of U.S. Long-Haul Truck Drivers

The Impact of Work Organization, Job Stress, and Sleep on the Health Behaviors and Outcomes of U.S. Long-Haul Truck Drivers

Auditory Countermeasures for Sleep Inertia: Exploring the Effect of Melody and Rhythm in an Ecological Context

Auditory Countermeasures for Sleep Inertia: An Ecological Study Examining the Influence of Melody and Rhythm

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