The effect of vitamin D on sleep quality: A systematic review and meta-analysis

Mirzaei-Azandaryani, Zahra; Abdolalipour, Somyieh; Mirghafourvand, Mojgan

doi:10.1177/02601060221082367

Cited by 5 publications

(1 citation statement)

References 51 publications

(85 reference statements)

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“…These results are supported by other studies conducted in different populations 5 , 18 , 24 , 25 , 30 . This evidence comes from different methods of sleep assessment, such as objective measurement 31 , self-reporting 32 , and systematic and meta-analytic analyses 2 , 33 – 35 .…”

Section: Discussionmentioning

confidence: 99%

The role of interaction between vitamin D and VDR FokI gene polymorphism (rs2228570) in sleep quality of adults

Menezes-Júnior,

Sabião,

Moura

et al. 2024

Sci Rep

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To evaluate association of vitamin D with sleep quality in adults and the influence of VDR-gene polymorphism FokI (rs2228570;A > G). Cross-sectional population-based study in adults, conducted in Brazil. The outcome was sleep-quality, evaluated by the Pittsburgh Sleep Quality Index. Vitamin D was determined by indirect electrochemiluminescence and classified as deficiency (VDD), 25(OH)D < 20 ng/mL in a healthy population or 25(OH)D < 30 ng/mL for groups at risk for VDD. FokI polymorphism in the VDR-gene was genotyped by qPCR and classified as homozygous wild (FF or AA), heterozygous (Ff or AG), or homozygous mutant (ff or GG). Multivariate logistic analysis was used to estimate the association between vitamin D and FokI polymorphism with sleep-quality. In a total of 1674 individuals evaluated, 53.6% had poor-sleep-quality, 31.5% had VDD, and the genotype frequency of the FokI polymorphism was 9.9% FF, 44.6% Ff, and 45.5% ff. In multivariate analysis, individuals with VDD had 1.51 times the chance of poor-sleep-quality, and individuals with the ff genotype had 1.49 times the chance of poor-sleep-quality (OR:1.49;95%CI:1.05–2.12) when compared to individuals with the FF or Ff genotype. In the combined analysis, individuals with VDD and ff genotype had more chance of poor-sleep-quality than individuals with sufficient vitamin D and genotype Ff or FF (OR:2.19;95%CI:1.27–3.76). Our data suggest that VDD and VDR FokI gene polymorphism are associated with poor-sleep-quality, and combining the two factors increases the chance of poor-sleep-quality compared to separate groups.

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Section: Discussionmentioning

confidence: 99%

The role of interaction between vitamin D and VDR FokI gene polymorphism (rs2228570) in sleep quality of adults

Menezes-Júnior,

Sabião,

Moura

et al. 2024

Sci Rep

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Influence of sunlight on the association between 25-hydroxyvitamin D levels and sleep quality in Brazilian adults: A population-based study

et al. 2023

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Eating habits, sleep quality, and lifestyle changes during the COVID-19 crisis: a national survey from Palestine

Koni,

Hasan,

Nazzal

et al. 2024

transl med commun

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Background The COVID-19 pandemic and the consequences of safety measures, such as lockdowns, have impacted not only the physical health of individuals but also their lifestyle, psychosocial health, and mental health. In this analysis, we aimed to explore the effect of the COVID-19 pandemic on lifestyle, eating habits, and sleep quality in the Palestinian population. Furthermore, the current study aimed to determine the factors associated with poor sleep. Methods The study was carried out between November 2021 and February 2022 after a long lockdown. We adopted a cross-sectional design to achieve the objectives of this study. The questionnaire included information on sociodemographic characteristics and other characteristics. In addition, questions related to lifestyle changes and items related to changes in the consumption of certain types of food were included. Furthermore, in the present study, two scales were used to assess sleep quality: the Epworth Sleepiness Scale (ESS) and the Pittsburgh Sleep Quality Index (PSQI). Results A total of 978 participants were included in this study; 508 (51.9%) were women, and 465 (47.5%) were aged between 17 and 30 years. 41% of the participants added one meal or more, and almost 43% skipped one meal or more. A total of 39.2% believed that their habits worsened as a result of the COVID-19 pandemic. A significant portion of the population increased their vitamin intake by 62.5%. In general, nuts, fast food, fried food, coffee, snacks, cans, and homemade baked foods were consumed at higher rates overall. The median ESS score, which measures general levels of daytime drowsiness, was 20.00 (18.00–22.00). Residency (p = 0.008), living status (p < 0.001), salary (p < 0.001), education level (p = 0.002), job status (p = 0.015), and vitamin intake (p < 0.001) were significantly associated with the ESS score. The PSQI score, which evaluates adult sleep patterns and quality, has a median value of 5.00. (4.00–7.00). Living status (p < 0.001), salary (p = 0.006), job status (p = 0.002), smoking status (p = 0.030), chronic diseases (p = 0.002), and vitamin use (p < 0.001) were significantly associated with the PSQI score. Only taking multivitamins was a predictor of having a lower score on both the ESS (p = 0.001) and PSQI (p < 0.001). Conclusions Our findings clearly showed that the COVID-19 pandemic has substantially affected the Palestinian population in different aspects of life. We recommend that health authorities and healthcare providers continually share knowledge and awareness about good eating habits, sleep quality, and other aspects of lifestyles.

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The effect of vitamin D on sleep quality: A systematic review and meta-analysis

Cited by 5 publications

References 51 publications

The role of interaction between vitamin D and VDR FokI gene polymorphism (rs2228570) in sleep quality of adults

The role of interaction between vitamin D and VDR FokI gene polymorphism (rs2228570) in sleep quality of adults

Influence of sunlight on the association between 25-hydroxyvitamin D levels and sleep quality in Brazilian adults: A population-based study

Eating habits, sleep quality, and lifestyle changes during the COVID-19 crisis: a national survey from Palestine

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