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Associating night-shift work with lifetime use of sleep medication and sleep quality in a cohort of female nurses.

ABSTRACT: Night-shift workers often sleep at moments, not in sync with their circadian rhythm. Though the acute effects of night-shift work on sleep quality directly after a night shift are well described, less is known about the chronic effects of night-shift work on sleep. We associated ever-working night shifts and recently working night shifts (<4 wk) with lifetime use of sleep medication and melatonin, self-reported average sleep duration and sleep quality over the 4 wk preceding inclusion (measured using the Medical Outcomes Study Sleep scale). We explored trends in sleep outcomes with average frequency of night shifts per week, tenure of night-shift works in years, and time since last performed night work. This research was conducted within the Nightingale study which is a Dutch cohort study of 59,947 female registered nurses aged 18 to 65. Working night shifts was not associated with self-reported nonoptimal sleep length and sleep quality. However, we observed higher odds of lifetime use of sleep medication for nurses who ever-worked night shifts (OR 1.24; 95% CI 1.13, 1.35) and who recently worked night shifts (OR 1.13; 95% CI 1.05, 1.22); with night-shift work frequency and tenure being associated with lifetime use of sleep medication (P-value for trend < 0.001 for both). Odds for melatonin use were elevated for nurses who ever worked night shifts (OR 1.55; 95% CI 1.40, 1.71) and recently worked night shifts (OR 1.72; 95% CI 1.59, 1,86). The findings of this study have practical implications for healthcare organizations that employ nurses working night shifts. The observed associations between night-shift work and increased lifetime use of prescribed sleep medication and melatonin highlight the need for targeted support and interventions to address the potential long-term sleep problems faced by these nurses.

SUBMITTER: van de Langenberg D

PROVIDER: S-EPMC10752347 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature

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Associating night-shift work with lifetime use of sleep medication and sleep quality in a cohort of female nurses.

van de Langenberg Daniëlla D Vlaanderen Jelle J Berentzen Nina N Kromhout Hans H Vermeulen Roel R

Annals of work exposures and health 20231101 9

Night-shift workers often sleep at moments, not in sync with their circadian rhythm. Though the acute effects of night-shift work on sleep quality directly after a night shift are well described, less is known about the chronic effects of night-shift work on sleep. We associated ever-working night shifts and recently working night shifts (<4 wk) with lifetime use of sleep medication and melatonin, self-reported average sleep duration and sleep quality over the 4 wk preceding inclusion (measured ...[more]

PMID: 37758464

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Project description:BackgroundShift work has been hypothesized as a risk factor for obesity. In this study, we investigated the association between current shift work and body mass index (BMI) among female nurses in Korea. The relationship between duration of shift work and BMI of the participants was also evaluated.MethodsThis cross-sectional survey evaluated participants in the Korean Nurses' Survey, conducted from October to December 2011, using web-based self-administered questionnaires. A total of 9,989 nurses were included among 10,000 who registered on the survey web site (5,287 shift workers and 4,702 non-shift workers). Current shift workers were divided into tertiles of shift work duration (0.08-3.00 years, n = 1,732; 3.08-6.75 years, n = 1,731; and 6.83-38.00 years, n = 1,686). The BMI thresholds of overweight and obesity were ?23 kg/m² and ?25 kg/m², respectively. Data were analyzed using SPSS software.ResultsMean participant age was 33.2 ± 8.6 years and the mean BMI was 20.9 ± 2.5 kg/m². There were statistically significant differences in current smoking status, regular drinking habit, dietary habits, regular exercise, sleep problems and self-perceived health status according to duration of shift work. The overall prevalence of overweight/obesity (18.6%) and obesity (7.4%) increased significantly as shift work duration increased from the lowest to highest tertile (P for trend <0.001). Multivariate logistic regression analysis revealed no association between current shift work and BMI. However, after adjusting for potential confounders, the participants with the longest duration of shift work were 1.63 (95% CI, 1.22-2.17) times more likely to be overweight or obese than those with the shortest duration. There was a significant positive association between obesity and shift work duration in the unadjusted analysis; however, it was attenuated and no longer significant in the multivariate model.ConclusionsThe duration of shift work was positively associated with prevalence of overweight/obesity in nurses in Korea. Although these findings need to be confirmed in prospective studies, they suggest that special attention should be paid to female nurses with a long duration of shift work.

Project description:BackgroundNight shift work and poor sleep quality are gradually becoming more prevalent in modern society. Nevertheless, there have been limited studies assessing the association between night shift work, sleep behaviors, and risk of epilepsy. The aim of our study was to ascertain whether a positive association exists between night shift work, sleep quality, sleep behaviors, and risk of epilepsy.MethodsOur study included a total of over 270,000 individuals with or without epilepsy from the UK Biobank, followed up over a period of 13.5 years. Information on current night shift work and major sleep behaviors was also obtained. We used Cox proportional hazard models to assess the association between night shift work, sleep quality, sleep behaviors, and the risk of epilepsy after adjusting for multiple variables.ResultsNight shift work was positively associated with a higher risk of epilepsy (P for trend = 0.059). There was a gradual increase in epilepsy risk from 'never/rarely' to 'usual/permanent' night shifts, with 'usual/permanent' night shifts work presenting the highest risk [hazard ratio (HR) 1.29, 95% confidence interval (CI) 1.01-1.65). Additionally, there was a significant association between sleep quality and risk of epilepsy (P < 0.001). Among the five major sleep behaviors, sleep duration (< 7 or > 8 h/day), frequent insomnia, and daytime sleepiness were significantly associated with a higher risk of epilepsy (HR 1.19, 95% CI 1.11-1.28; HR 1.19, 95% CI 1.09-1.30; HR 1.46, 95% CI 1.24-1.72, respectively). Furthermore, sleep duration exhibited a 'U-shaped' association with epilepsy risk. Nevertheless, no significant association was found between sleep chronotype and snoring and the risk of incident epilepsy (HR 1.04, 95% CI 0.96-1.12; HR 0.96, 95% CI 0.89-1.04).Conclusions'Usual/permanent' night shifts and poor sleep quality were positively associated with a greater risk of incident epilepsy. Major sleep behaviors, including unhealthy sleep duration (< 7 or > 8 h/day), frequent insomnia, and daytime sleepiness, also tended to increase the risk of epilepsy.

Dataset Information

Associating night-shift work with lifetime use of sleep medication and sleep quality in a cohort of female nurses.

Publications

Associating night-shift work with lifetime use of sleep medication and sleep quality in a cohort of female nurses.

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