Investigating Vitamin D and Sleep Quality


      • Insufficient sleep affects 45% of the world’s population.
      • One billion people have low vitamin D.
      • Poor sleep quality was noted overall in the patients.


      Insufficient sleep is a public health concern and is reported to affect the quality of life in 45% of the world’s population. Approximately 1 billion people worldwide have been reported to have a vitamin D insufficiency. The purpose of this study was to examine the relationship between vitamin D levels and sleep quality. A cross-sectional retrospective chart review of 137 patients was completed. A review of polysomnography, the Epworth Sleepiness Scale, and vitamin D level results was compared among the patients. This study found no relationship between vitamin D and sleep quality.

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      Rhonda Winegar, PhD, DNP, FNP-BC, is BSN Program Director with Aspen University in Austin, TX, and can be contacted at [email protected] .