Using bright light therapy to improve sleep and cognition in older veterans

Promoting Cognitive Resilience and Reducing Frailty in Older Veterans With Bright Light Therapy

NA · VA Office of Research and Development · NCT05631236

This study tests if bright light therapy can help older veterans sleep better and think more clearly.

Quick facts

PhaseNA
Study typeInterventional
Enrollment44 (estimated)
Ages65 Years to 85 Years
SexAll
SponsorVA Office of Research and Development (fed)
Locations2 sites (Kansas City, Missouri and 1 other locations)
Trial IDNCT05631236 on ClinicalTrials.gov

What this trial studies

This trial investigates the use of bright light therapy (BLT) to enhance cognitive function and reduce frailty among older veterans aged 65 and above. The study aims to assess the feasibility of BLT in improving sleep quality by resynchronizing the biological clock, which is often disrupted in this population. By focusing on veterans who may experience sleep disturbances and cognitive decline, the trial seeks to establish a foundation for larger studies that could validate BLT as a home-based treatment option. The ultimate goal is to improve the healthspan of older veterans through better sleep and cognitive resilience.

Who should consider this trial

Good fit: Ideal candidates for this study are community-dwelling veterans aged 65 and older who may experience sleep disturbances but are relatively healthy.

Not a fit: Patients who do not have sleep disturbances or those with severe cognitive impairment or advanced co-morbidities may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly enhance the quality of life for older veterans by improving their sleep and cognitive function.

How similar studies have performed: While bright light therapy has shown promise in improving sleep and cognition in older adults, its specific application in older veterans is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants studied in this project will include 30 men and 5 women of any race who are community dwellers
* The investigators seek to recruit relatively healthy individuals that may or may not exhibit early-stage co-morbidities

Exclusion Criteria:

* The investigators will exclude individuals without sleep disturbances (PSQI \>5)
* Are morbidly obese (BMI \> 40)
* Exhibit severe or advanced co-morbidities, or have cognitive impairment

Where this trial is running

Kansas City, Missouri and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Veteran Aged 65 and Older, sleep, aging, veteran, cognition, dementia, functional capacity, frailty

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.