# Zinc Sleep Quality Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/zinc-sleep-quality-meta-analysis-evidence-review
Category: evidence-review
Summary: Zinc Sleep Quality Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed 
Last reviewed: 2026-07-04
Reviewed by: Migaku Evidence Review
# Zinc Sleep Quality Meta-analysis: What the Evidence Says

## Quick Answer

Zinc Sleep Quality Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed biomedical and public-health sources, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 1 narrative review, 1 research article.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Early Biomarkers, Risk Factors, and Functional Indicators of Healthy Longevity and Their Relationship with Diet | narrative review | 3 | 2026-05-22 | 10.3390/nu18111664 |
| Association of Sleep Quality, Nutritional Factors, and Salivary Melatonin and Cortisol Levels with Oral Lichen Planus: A Case–Control Study | research article | 4 | 2026-06-03 | 10.3390/biomedicines14061275 |

## What The Sources Report

- Longevity is not only the result of genetic inheritance, but it also reflects the complex interplay between environmental, biological, and behavioral factors accumulated across the life course. [Martini Daniela (2026); evidence level 3]
- However, although the association between diet and healthy aging is widely recognized, the strength and consistency of evidence vary substantially across outcomes, populations, and study designs. [Martini Daniela (2026); evidence level 3]
- Studies investigating the relationship between OLP and sleep quality report that OLP patients seem to have worse sleep quality compared to the general population, where poor sleep has been claimed as a risk factor for the onset and aggravation of OLP. [Wegner Éverton Adriano (2026); evidence level 4]
- It was suggested that dysregulation in melatonin secretion would be associated with the pathogenesis of several autoimmune diseases, such as systemic lupus erythematosus, multiple sclerosis, and rheumatoid arthritis. [Wegner Éverton Adriano (2026); evidence level 4]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

For zinc sleep quality meta-analysis, the current source set is useful for orientation, but it is not yet broad enough for strong claims. Use cautious language and keep conclusions close to the cited sources.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Martini Daniela (2026). Early Biomarkers, Risk Factors, and Functional Indicators of Healthy Longevity and Their Relationship with Diet. DOI: 10.3390/nu18111664. PMCID: PMC13258232. PMID: 42280310. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13258232/
- Wegner Éverton Adriano (2026). Association of Sleep Quality, Nutritional Factors, and Salivary Melatonin and Cortisol Levels with Oral Lichen Planus: A Case–Control Study. DOI: 10.3390/biomedicines14061275. PMCID: PMC13296431. PMID: 42351703. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13296431/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.