Journal
SLEEP MEDICINE
Volume 54, Issue -, Pages 262-265Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.sleep.2018.10.033
Keywords
Sleep disturbance; Sleep; Vitamin D; Sun; Vitamin
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Vitamin D is a pro-hormone belonging to the category of the fat-soluble group of vitamins; it is obtained more from solar exposure and in smaller quantities through feeding. Although vitamin D has traditionally been shown to be involved in calcium homeostasis and bone health, recent studies have found a positive association between vitamin D and sleep. In particular, clinical studies in humans indicate that low levels of vitamin D are correlated with poor quality and short sleep duration. The mechanism by which this association is explained is still unclear. However, vitamin D receptors have been found in the brain regions involved in sleep regulation, and vitamin D appears to be involved in regulating the sleep ewake cycle. The current review summarizes the available evidence regarding the association between vitamin D and sleep, focusing on both clinical and preclinical studies. (c) 2018 Published by Elsevier B.V.
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