Vitamin D Sleep Quality Randomized Trial: What the Evidence Says

Quick Answer

Vitamin D Sleep Quality Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are systematic review, randomized trial, 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 systematic review, 1 randomized trial.
• 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

What The Sources Report

• However, the evidence base for TCM pharmacologic interventions in hemodialysis-related RLS remains unclear. [Zhang J (2026); evidence level 1]
• Pharmacologic therapy significantly improved IRLS scores (MD -7.84), sleep quality (SMD -0.82), and quality of life (SMD 0.48). [Zhang J (2026); evidence level 1]
• Globally, hypertension is renowned as the leading risk factor for cardiovascular disease morbidity and mortality. [Sinclair Jonathan (2026); evidence level 2]
• High blood pressure ranks first among modifiable risk factors attributable to cardiovascular disease aetiology, accounting for the largest proportion of coronary heart disease, heart failure, and stroke events. [Sinclair Jonathan (2026); evidence level 2]

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

There is at least one systematic-review style source in the current set, so it deserves more weight than single-study evidence. There is trial evidence in the current set, but population and intervention details still matter. For vitamin D sleep quality randomized trial, the next editorial step is to add more targeted sources and separate strong findings from early or indirect evidence.

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

• Zhang J (2026). Efficacy and safety of pharmacological treatments for restless legs syndrome in hemodialysis patients: a systematic review and meta-analysis.. DOI: 10.3389/fneur.2026.1790771. PMCID: PMC13230204. PMID: 42246040. https://pmc.ncbi.nlm.nih.gov/articles/PMC13230204/
• Sinclair Jonathan (2026). Effects of peppermint ( Mentha x piperita L.) oil on cardiometabolic outcomes in patients with pre- and stage 1 hypertension: A placebo randomized controlled trial. DOI: 10.1371/journal.pone.0344538. PMCID: PMC13105356. PMID: 42024666. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13105356/

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.