Work Shift and Circadian Rhythm as Risk Factors for Poor Sleep Quality in Public Workers from Murcia (Spain)

Rodríguez-González-Moro, María Teresa; Rodríguez-González-Moro, José Miguel; Rivera‐Caravaca, José Miguel; Vera‐Catalán, Tomás; Simonelli‐Muñoz, Agustín Javier; Gallego‐Gómez, Juana Inés

doi:10.3390/ijerph17165881

Cited by 8 publications

(8 citation statements)

References 27 publications

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“…Two-thirds of the construction workers were classified as ‘the poor quality of sleep group’ and the two groups presented different profiles with regard to both quantitative and qualitative sleep; the proportion of participants (63%) in the poor sleep group in this study was relatively high. According to previous studies, the poor quality of sleep group comprised 29.1% of electronic workers, 37.4% of public workers, and 54% of police officers [ 33 , 34 , 35 ]. In Japan, a study found a strong association between the working hours and sleep disorders, including insomnia and daytime sleepiness [ 36 ].…”

Section: Discussionmentioning

confidence: 99%

Factors Associated with Poor Quality of Sleep in Construction Workers: A Secondary Data Analysis

Kim

Lee

Lim

et al. 2021

IJERPH

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This study aimed to explore factors associated with poor quality of sleep in construction workers. This study was cross-sectional, correlational in design and used secondary data from fatigue instrument development study. We analyzed the data from 206 participants aged over 19 years who worked at construction sites for more than 6 months. We used multivariate binary logistic regression to identify the factors associated with poor quality of sleep. We classified the two sleep quality groups based on the Pittsburgh Sleep Quality Index (PSQI) score, and almost 63% of them were classified as the poor quality of sleep group. Based on multivariate binary logistic regression (Cox and Snell R2 = 0.317, Nagelkerke R2 = 0.429), the poor quality of sleep group tended to sleep for a shorter duration before the working day, and not only showed lower sleep latency and higher levels of daytime dysfunction and discomfort in daily life, but also had more chronic disease, depressive symptoms, and higher physical fatigue. Our study findings support that there are many modifiable factors associated with poor sleep and a high rate of poor quality of sleep occurred in construction workers. Thus, clinicians should consider providing diverse options for applying interventions to ensure better sleep, fatigue management, and depression prevention in construction workers after considering their unique characteristics.

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Section: Discussionmentioning

confidence: 99%

Factors Associated with Poor Quality of Sleep in Construction Workers: A Secondary Data Analysis

Kim

Lee

Lim

et al. 2021

IJERPH

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“…However, differences in sleep duration were found: women had shorter sleep durations compared to men. The dominant chronotype among participants was the morning one, with 62% [ 24 ].…”

Section: Resultsmentioning

confidence: 99%

Sex Differences in Insomnia and Circadian Rhythm Disorders: A Systematic Review

Pajėdienė,

Urbonavičiūtė,

Ramanauskaitė

et al. 2024

Medicina

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Insomnia and circadian rhythm disorders are increasingly common in modern society and lead to significant challenges for people’s health and well-being. Some studies suggests that men and women differ in neurohormonal secretion, biological processes, and brain morphology. Thus, such differences may affect the etiology, manifestation, and course of sleep disorders, including insomnia and circadian rhythm. This systematic review aims to synthesize the existing literature on sex differences in insomnia and circadian rhythm disorders. PubMed, MEDLINE, Epistemonikos, and Cochrane databases were searched for articles published from inception until 5 September 2023, not older than five years. We performed a systematic search using MESH and non-MESH queries: (sex differences) or (male and female differences) or (men and women differences) or (men and women) AND (insomnia) or (sleep wake disorder*) or (sleep wake rhythm disorder*) or (circadian rhythm disorder*) or (sleep cycle disruption) or (sleep cycle disorder*). Out off 2833 articles screened, 11 studies were included. The prevalence of insomnia is higher among women, and their sleep is more regular and stable compared to men. Studies evaluating the impact of the stressful situation associated with the lockdown on women’s and men’s insomnia present discordant results concerning sex differences. Women’s circadian rhythm was found to be more stable and less fragmented than men’s. However, the progression of peak activity time with age was more pronounced in men. The current literature suggests that risk factors for insomnia and circadian rhythm disorders affect men and women differently. These include cerebrovascular and cardiometabolic factors, shift work, and infections. The long-term effects of insomnia seem to be more relevant for the male sex, shortening lifespan more than in women. By summarizing and analyzing existing studies, we highlight the need for further research to improve understanding of the interaction between sex and sleep.

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“…Demographics, habit characteristics, and the measurement of anthropometric parameters were collected as part of the medical examination. Chronotype was assessed by the “Morningness–Eveningness Questionnaire” (MEQ) [ 43 ]—a questionnaire with 19 items and a total score ranging from 16 to 86 that is widely used in adults and workers [ 44 , 45 , 46 ]. Social jet lag has been investigated and computed as the absolute difference between midsleep on free days and midsleep on workdays [ 47 ].…”

Section: Methodsmentioning

confidence: 99%

Alterations in Pregnenolone and Testosterone Levels in Male Shift Workers

Bracci

Zingaretti

Martelli

et al. 2023

IJERPH

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Steroid hormone levels are closely related to the endogenous circadian rhythm induced by sleep–wake and dark–light cycles. Shift work that disrupts the circadian rhythm may influence the levels of steroid hormones. The association between shift work and alterations in female sex steroid hormone levels has been studied, but little is known about testosterone and its precursor pregnenolone levels in male shift workers. The present study investigated serum pregnenolone and testosterone levels in a group of shift and daytime male workers. All participants were sampled at the beginning of the morning shift. Lower levels of serum pregnenolone and total testosterone were found in the shift workers compared to the daytime workers. Variations in pregnenolone levels may have consequences for well-being, and they might produce consequences for the levels of hormones downstream of the steroid hormone cascade, such as testosterone. The low levels of testosterone found in shift workers demonstrate the perturbative effect of shift work on testosterone serum levels, which may be independent and/or related to pregnenolone synthesis.

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Work Shift and Circadian Rhythm as Risk Factors for Poor Sleep Quality in Public Workers from Murcia (Spain)

Cited by 8 publications

References 27 publications

Factors Associated with Poor Quality of Sleep in Construction Workers: A Secondary Data Analysis

Factors Associated with Poor Quality of Sleep in Construction Workers: A Secondary Data Analysis

Sex Differences in Insomnia and Circadian Rhythm Disorders: A Systematic Review

Alterations in Pregnenolone and Testosterone Levels in Male Shift Workers

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