Association Between Occupational Stress and Sleep Quality: A Systematic Review

Mao, Yongchun; Raju, Gunasunderi; Zabidi, Muhammad Azrul

doi:10.2147/nss.s431442

Cited by 3 publications

(1 citation statement)

References 74 publications

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“…It’s suggested that women’s neurobiological mechanisms and hormones, especially fluctuation of ovarian hormones, may affect sleep because of an interaction between hormone levels and circadian rhythm, however, there is a need for future investigations to clarify the underlying mechanism for this association [ 43 , 60 ]. Higher stress levels may lead to poor sleep quality [ 8 , 61 – 63 ]; while there is a probable gender differences in stress response [ 64 , 65 ]; so, it can be presumed that the impact of gender on stress response may have a role in the association between gender and sleep quality. Moreover, the interplay among sex differences, gut microbiota, and sleep should be considered in this subject [ 41 , 66 ].…”

Section: Discussionmentioning

confidence: 99%

The association between energy-adjusted dietary inflammatory index and physical activity with sleep quality: a cross-sectional study

Zare¹,

Masoumi,

Zare

2024

BMC Nutr

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Background The study aimed to assess the independent and interactive association of energy-adjusted dietary inflammatory index (E-DII) and physical activity (PA) with sleep quality. Method A cross-sectional study was conducted on the 2466 participants (60% women). A 116-item food frequency questionnaire (FFQ) was applied to calculate E-DII, the International Physical Activity Questionnaire (IPAQ) long form for PA, and the Pittsburgh sleep quality index (PSQI) to assess sleep quality were collected via interview. Multivariate logistic regression was applied to assess independent and interactive associations of E-DII and PA with sleep quality. Result No significant association was observed between E-DII and sleep quality (OR: 0.96, 95% CI: 0.92_1.01). Also, there was no significant association between the levels of PA and sleep quality. Women had 70% increased odds for poor sleep quality (OR: 1.7, 95% CI: 1.39_2.09) compared with men. No interactive association was observed between E-DII and PA levels with sleep quality. Conclusion No significant association was observed between E-DII and PA levels with sleep quality. The study indicates a gender difference in sleep quality. Future prospective studies are required to confirm these findings.

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Section: Discussionmentioning

confidence: 99%

The association between energy-adjusted dietary inflammatory index and physical activity with sleep quality: a cross-sectional study

Zare¹,

Masoumi,

Zare

2024

BMC Nutr

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Effort–reward imbalance and sleep quality in railway locomotive stewards: a cross-sectional study

Li,

Xue,

et al. 2024

BMJ Open

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ObjectiveTo assess the correlation between the effort–reward imbalance (ERI) and sleep quality among railway locomotive stewards.DesignCross-sectional study.SettingLanzhou Bureau Group, China Railway, between July and August 2022.ParticipantsRailway locomotive stewards.Primary and secondary outcome measuresSleep quality was assessed using the Pittsburgh Sleep Quality Index Scale (PSQI), categorising scores of >14 as poor, 8–14 as fair and <8 as good.ResultsA total of 5738 valid questionnaires (mean age of 30.85±6.91 years and 5730 males) were included. The response rate was 92.27%. The PSQI score was 11.52±3.95; 2304 (40.15%) respondents had good sleep quality, 1590 (27.71%) had fair sleep quality and 1844 (32.14%) had poor sleep quality. Stepwise multivariable logistic regression analysis showed that, compared with poor sleep quality, Jiayuguan Locomotive Depot workers (OR 0.775, 95% CI 0.587 to 0.971, p=0.028), electric locomotive drivers (OR 0.499, 95% CI 0.316 to 0.786, p=0.003), passenger train locomotive drivers (OR 0.209, 95% CI 1.313 to 3.337, p=0.002), working <40 hours weekly (OR 2.291, 95% CI 1.686 to 3.112, p<0.001), working 40–50 hours weekly (OR 1.602, 95% CI 1.299 to 1.977, p<0.001), senior titles (OR 0.727, 95% CI 0.570 to 0.928, p=0.010), high effort/low reward (OR 2.812, 95% CI 2.218 to 3.564, p<0.001) and low overcommitment (OR 5.848, 95% CI 4.710 to 7.261, p<0.001) were independently associated with fair sleep quality. Electric locomotive drivers (OR 0.535, 95% CI 0.364 to 0.787, p=0.001), diesel locomotive drivers (OR 0.567, 95% CI 0.348 to 0.924, p=0.023), passenger train locomotive drivers (OR 1.471, 95% CI 1.005 to 2.155, p=0.047), working <40 hours weekly (OR 1.549, 95% CI 1.196 to 2.006, p=0.001), working 40–50 hours weekly (OR 1.340, 95% CI 1.141 to 1.574, p<0.001), high school diploma or less (OR 1.448, 95% CI 1.062 to 1.975, p=0.019), high effort/low reward (OR 1.237, 95% CI 1.006 to 1.521, p=0.044), balanced effort–reward (OR 0.653, 95% CI 0.478 to 0.892, p=0.007) and low overcommitment (OR 2.553, 95% CI 2.224 to 2.931, p<0.001) were independently associated with good sleep quality.ConclusionThe results revealed an acceptable ERI and poor sleep quality among railway stewards. ERI was correlated with sleep quality. Health education, lifestyle changes and improved work schedules may help boost sleep quality and well-being among railway locomotive stewards.

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Bifidobacterium adolescentis SBT2786 Improves Sleep Quality in Japanese Adults with Relatively High Levels of Stress: A Randomized, Double-Blind, Placebo-Controlled Study

Murakami,

Ko,

Ouchi

et al. 2024

Nutrients

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Sleep disorders associated with lifestyle changes and unhealthy habits are major public health concerns. Our previous study showed that Bifidobacterium adolescentis SBT2786 has a potent sleep-promoting effect on fruit flies. Fruit flies share many similarities with mammals, making them suitable model organisms for studying sleep. Thus, in the present study, we conducted a randomized, double-blind, placebo-controlled clinical trial to test whether SBT2786 has sleep-enhancing effects in humans. In this study, 61 participants in the SBT2786 group and 65 participants in the placebo group were analyzed. The results showed that SBT2786 increased sleep time; however, it predominantly increased light sleep and did not improve subjective sleep quality. Interestingly, mood improvement was observed. A subgroup analysis was conducted on participants with high stress levels, and results showed that these participants experienced an increase in sleep duration and an improvement in sleepiness upon waking up and reported feeling well-rested during the day. We concluded that SBT2786 may improve sleep quality, particularly in individuals experiencing high levels of stress, and that SBT2786 can be used as a dietary supplement to improve sleep and mood.

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Association Between Occupational Stress and Sleep Quality: A Systematic Review

Cited by 3 publications

References 74 publications

The association between energy-adjusted dietary inflammatory index and physical activity with sleep quality: a cross-sectional study

The association between energy-adjusted dietary inflammatory index and physical activity with sleep quality: a cross-sectional study

Effort–reward imbalance and sleep quality in railway locomotive stewards: a cross-sectional study

Bifidobacterium adolescentis SBT2786 Improves Sleep Quality in Japanese Adults with Relatively High Levels of Stress: A Randomized, Double-Blind, Placebo-Controlled Study

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