← Eichor
Study identifier: NCT05616819 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Effect of Morning Light Exposure on Mood

Condition: Suicidal Ideation · Regulation, Emotion  ·  Sponsor: University of Arizona

PhaseNA
Planned participants480
Who can joinAll sexes, 18 Years to 60 Years
Healthy volunteersYes

About this study

Mood dysregulation and suicidal ideation are closely associated with disruption of sleep and circadian rhythms. Moreover, sleep problems and circadian disruption are commonplace features of military life. Critically, specifically timed light exposure plays a powerful role in regulating mood, circadian rhythms, and sleep-wake patterns. Therefore, investigators propose to conduct a large-scale clinical trial on the effectiveness of morning light exposure treatment for improving sleep-wake patterns, emotional and mental health, and suicidal thoughts in military personnel.

This description comes directly from the study's public registry record.

Talk to the study team

William D Killgore, Ph.D.  ·  (520) 621-0605  ·  killgore@arizona.edu

Camryn Wellman  ·  camrynwellman@arizona.edu

Always discuss trial participation with your own doctor first.

Locations (1)

University of ArizonaTucson, Arizona, United StatesRecruiting

Follow this study

Get one email when the public record changes — results posted, or the study's status changes. Nothing else, ever.

We email about this public record only. Unsubscribe anytime with one click. Never medical advice.

Is this your study? This page was generated automatically from the public registry record. Sponsors can claim it — free — to add branding and verified contact routing. Claim this page →

This page is independently generated by Eichor from the public ClinicalTrials.gov record and re-synced daily. It is not the sponsor's official website unless claimed. Nothing here is medical advice; eligibility is always determined by the study team — talk to your own doctor first.

Source record: clinicaltrials.gov/study/NCT05616819