Study
Melatonin: A Potential Aid in Preventing Delirium for Seniors
Melatonin might help reduce delirium in hospitalized seniors.
Brain HealthSleepHealthy Aging
Summary
In plain language
This study looked at whether taking melatonin can help prevent delirium in seniors who are hospitalized. Delirium is a state of confusion that often affects older adults in hospitals, making recovery more challenging. Researchers found that melatonin, a natural hormone that helps regulate sleep, could potentially reduce the chances of developing delirium. While the study faced some challenges, such as early termination and a lower occurrence of delirium than expected, the findings suggest that melatonin could be a simple and safe option to discuss with your doctor if you're hospitalized.
Details
Use the full description to understand the study design, methods, and the limits of the findings.
This study was conducted in a hospital setting, focusing on patients aged 65 and older. Researchers randomly assigned seniors to receive either melatonin or a placebo to see if melatonin could prevent delirium.
- Participants took 5 mg or 8 mg of melatonin, or a placebo, each night for up to 5 days.
- Results showed a potential reduction in delirium, though the study ended early, making conclusions less certain.
- Melatonin is generally well-tolerated, but the study faced limitations like a smaller-than-planned sample size.
If you're concerned about delirium during hospital stays, consider discussing melatonin with your healthcare provider.
Full Study
Open the original publication for the complete methods, outcomes, and source material.
Peer-reviewed publication · RCT
Melatonin: A Potential Aid in Preventing Delirium for Seniors
Published January 2026 · DOI 10.1136/bmjopen-2025-107775
Opens at the publisher · external site · may require institutional access
Research Quality Score
Assessment
This study is a high-quality RCT with strong design and methodology, making it a reliable source of evidence for the use of melatonin in preventing delirium in seniors. Despite some limitations in statistical power due to early termination, the study's transparency and relevance to the senior population are commendable.
Category Breakdown
| Category | Score | Rating |
|---|---|---|
| Study Design / Evidence Level | 10.0/10 | |
| Bias & Methods | 8.3/10 | |
| Statistical Integrity | 7.5/10 | |
| Transparency | 10.0/10 | |
| Conflict of Interest Disclosure | 10.0/10 | |
| Replication / External Validation | 5.0/10 | |
| Relevance to Seniors | 10.0/10 | |
| Journal Quality | 10.0/10 |
Additional Notes
The study's early termination and lower-than-expected delirium incidence are notable limitations, but the overall methodological quality remains strong.
Treatments Evaluated in This Research
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