Can a morning light fix lift mood and curb suicidal thoughts?

NCT ID NCT05616819

Recruiting now Symptom relief Sponsor: University of Arizona Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether wearing special glasses that emit blue light each morning for two weeks can improve mood, sleep, and reduce suicidal thoughts in military members with mild depression. Researchers will compare the active blue light to a placebo light to see if the timing and color matter. The goal is to find a simple, drug-free way to support mental health in service members.

What this could mean

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

Active substance: morning light exposure via glasses (470nm blue light)
What this could lead to: If it works, this could offer a simple, non-drug way to improve mood and reduce suicidal thoughts in military personnel.
What could go wrong: This is an early-stage trial with no phase, and the effect may be small or no better than placebo. Results may not apply to non-military populations.

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Conditions

The condition(s) this trial relates to.

Emotional Regulation Suicidal Ideation

As listed by the trial registrant

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

REGULATION, EMOTION SUICIDAL IDEATION

Contacts and locations

Locations

University of Arizona
RECRUITING

Tucson, Arizona, 85719, United States

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