Sunlight therapy shows promise for Alzheimer's sleep problems

NCT ID NCT07386808

Ongoing Symptom relief Sponsor: National Taiwan University Hospital Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jul 17, 2026 · Updated 2 times

Summary

This study looked at whether sunlight exposure therapy could improve sleep problems in people with Alzheimer's disease. Sixty participants with mild Alzheimer's and sleep issues received a health education plan on sun exposure and were followed for 14 days. The goal was to see if this simple, natural approach could lead to better sleep quality.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: sunlight therapy
What this could lead to: If it works, this could point toward a simple, drug-free way to improve sleep quality in people with Alzheimer's disease.
What could go wrong: This is a small, early observational study with only 60 participants and no control group. Results may not apply to everyone, and the effect might be small or due to other factors.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease circadian rhythm sleep disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ALZHEIMER'S DISEASE(AD) SLEEP DISORDERS, CIRCADIAN RHYTHM

Contacts and locations

Locations

National Taiwan University Hospital

Taipei, Taiwan, 100, Taiwan

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