Research
Micronutrients & recovery
Vitamin D deficiency is associated with a higher risk of sleep disorders, including poor sleep quality, short sleep duration, and sleepiness.
Ensure you have adequate vitamin D levels, as deficiency is linked to poor sleep quality, short sleep duration, and sleepiness. Consider supplementation if you have limited sun exposure or dietary intake.
GoodSupportsHIGH confidence
Overall, the study concluded that vitamin D deficiency is associated with a higher risk of sleep disorders including poor sleep quality, short sleep duration, and sleepiness [74].
Why this rating
Based on a meta-analysis of 9 studies, which is higher quality than single studies.
Source
The Effects of Dietary Nutrition on Sleep and Sleep Disorders
Mingxia Zhao et al. · Mediators of Inflammation · 2020
DOI 10.1155/2020/3142874
narrative_reviewCited 266×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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