# Melatonin Jet Lag Sleep Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/melatonin-jet-lag-sleep-meta-analysis-evidence-review
Category: evidence-review
Summary: Melatonin Jet Lag Sleep Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are s
Last reviewed: 2026-05-26
Reviewed by: Migaku Evidence Review
# Melatonin Jet Lag Sleep Meta-analysis: What the Evidence Says

## Quick Answer

Melatonin Jet Lag Sleep Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are systematic review, 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 preclinical study.
- 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 |
| --- | --- | ---: | --- | --- |
| Melatonin and Cortisol Suppression and Circadian Rhythm Disruption in Burnout Among Healthcare Professionals: A Systematic Review | systematic review | 1 | 2025-10-29 | 10.3390/clinpract15110199 |
| Do Long-Haul Travel and Jet Lag Affect Athletes’ Physiological, Humoral and Performance Outcomes? A Systematic Narrative Review | preclinical study | 4 | 2026-03-02 | 10.3390/sports14030093 |

## What The Sources Report

- Characterized by emotional exhaustion, depersonalization, and reduced personal accomplishment, burnout not only undermines the wellbeing of healthcare staff but also threatens patient safety and the efficiency of healthcare systems. [Ungurianu Alexandru (2025); evidence level 1]
- Reduced melatonin secretion has been observed in night-shift workers and individuals exposed to chronic stress, contributing to sleep disturbance, mood dysregulation, and metabolic dysfunction. [Ungurianu Alexandru (2025); evidence level 1]
- Travel fatigue can occur independently of the number of time zones crossed and results from the inherent stressors associated with travel itself. [Benito António (2026); evidence level 4]
- During the flight, contributing factors include cramped seating position, reduced physical activity, mild hypoxia, and dehydration caused by low cabin humidity. [Benito António (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

There is at least one systematic-review style source in the current set, so it deserves more weight than single-study evidence. For melatonin jet lag sleep meta-analysis, 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

- Ungurianu Alexandru (2025). Melatonin and Cortisol Suppression and Circadian Rhythm Disruption in Burnout Among Healthcare Professionals: A Systematic Review. DOI: 10.3390/clinpract15110199. PMCID: PMC12651070. PMID: 41294630. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12651070/
- Benito António (2026). Do Long-Haul Travel and Jet Lag Affect Athletes’ Physiological, Humoral and Performance Outcomes? A Systematic Narrative Review. DOI: 10.3390/sports14030093. PMCID: PMC13030464. PMID: 41893584. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13030464/

## 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.