Effects of zinc supplementation on sleep quality in humans: A systematic review of randomized controlled trials
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View abstract on PubMed
Summary
This summary is machine-generated.Zinc supplementation may improve sleep quality in adults, though more research is needed. This review found mixed results on sleep disorders and duration, especially in non-adults.
Area Of Science
- Nutritional Science
- Sleep Medicine
Background
- Alternative therapies, including zinc supplementation, are explored for sleep disorders.
- The effectiveness of zinc for improving sleep quality requires further investigation.
Purpose Of The Study
- To systematically review the impact of zinc supplementation on human sleep quality.
Main Methods
- Searched Web of Science, Medline, Scopus, and Google Scholar for relevant studies.
- Extracted data and assessed study quality using the Cochrane tool.
Main Results
- Eight studies showed zinc supplementation significantly improved sleep quality in adults.
- No significant effect on sleep disorders was observed; results on sleep duration in non-adults were contradictory.
Conclusions
- Zinc supplementation shows potential for enhancing sleep quality.
- Further clinical trials are necessary to confirm benefits, considering dietary intake and RDAs.
- Future research should explore zinc's effects in individuals with zinc deficiency.
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