Association of Hypovitaminosis D with Sleep Parameters in Rotating Shift Worker Drivers
Sleep Sci 2023; 16(01): 084-091 DOI: 10.1055/s-0043-1767748
Luiz Antônio Alves de Menezes-Júnior , Virgínia Capistrano Fajardo , Raimundo Marques do
Nascimento Neto , Sílvia Nascimento de Freitas , Fernando Luiz Pereira Oliveira , Fausto Aloísio Pedrosa Pimenta , George Luiz Lins Machado-Coelho , Adriana Lúcia Meireles
Objective To evaluate the association between sleep parameters and hypovitaminosis D in rotating shift drivers.
Material and Methods We conducted a cross-sectional study on 82 male rotating shift workers (24–57 years old) with at least one cardiovascular risk factor (such as hyperglycemia, dyslipidemia, abdominal obesity, physical inactivity, hypertension, and smoking). Polysomnography was used to evaluate sleep parameters. Logistic regression was used to model the association between hypovitaminosis D and sleep parameters after adjustment for relevant covariates.
Results Hypovitaminosis D (< 20 ng/mL) was seen in 30.5% of the workers.
Shift workers with hypovitaminosis D had
- lower sleep efficiency (odds ratio [OR]: 3.68; 95% confidence interval [CI]: 1.95–5.53),
- lower arterial oxygen saturation (OR: 5.35; 95% CI: 3.37–6.12), and
- increased microarousal index (OR: 3.85; 95% CI: 1.26–5.63) after adjusting.
Conclusion We suggest that hypovitaminosis D is associated with greater sleep disturbances in rotating shift workers.
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VitaminDWiki - Shiftwork diseases are often due to lack of vitamin D
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A few items in SLEEP category
- Sleep greatly improved by 50,000 IU of vitamin D once every two weeks – RCT Sept 2018
- Sleep disorders nicely treated by Vitamin D (50,000 IU twice a month) – RCT May 2017
- Sleep, Dr. Gominak and Vitamin D - several studies
- Restless Legs Syndrome dramatically reduced by vitamin D, etc
- On the job sleepiness 2.2X more likely if low vitamin D – Feb 2020
- Poor sleep 1.5 X more likely if less than 20 ng of Vitamin D – Feb 2019
- The Better Sleep Vitamin (Vitamin D) – nice 3 dollar book Feb 2015
- The worse the sleep apnea, the lower the vitamin D levels – meta-analysis 2017, 2020
- Vitamin D for better sleep video - Dec 2021
- 5X increase in sleep problems in a decade in US Veterans
- Sleep Apnea and Vitamin D - many studies
- Melatonin and Vitamin D - many studies does much more than improve sleep
VitaminDWiki – High Risk category contains
Those at high-risk of being Vitamin D deficient will require about 1.5X more vitamin D to restore their levels
Those who are at risk due to being obese need about 2X more vitamin D to restore their levels
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10 Groups Are More Prone To Vitamin D Deficiency - 2017 - additions include: >age 55, IBD, Vegans, Depression, Headaches
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