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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: BWL+Sleep Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Bright Light Therapy in Mild Traumatic Brain Injury

NCT01747811
View directory record Official record
Conditions
Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
Interventions
wavelength-1 bright light, wavelength-2 bright light
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Light Therapy for PD - Dose Selection

NCT04291014
View directory record Official record
Conditions
Parkinson Disease, Sleep Disorder, Fatigue
Interventions
SunRay Light Boxes
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
25
States / cities
Birmingham, Alabama • Phoenix, Arizona • Irvine, California + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Effect of Increased Light Exposure on Fatigue in Breast Cancer

NCT00478257
View directory record Official record
Conditions
Breast Cancer
Interventions
bright white light, comparator red light treatment
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Sep 26, 2026, 2:28 AM EDT
Active, not recruiting Not applicable Interventional

Behavioral Weight Loss and Sleep Health Intervention

NCT07255287
View directory record Official record
Conditions
Overweight and Obese Adults
Interventions
BWL+Sleep
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 26, 2026, 2:28 AM EDT
Recruiting Not applicable Interventional

Sleep and Light Intervention (SALI) for Menopausal Mood Dysfunction

NCT06678880
View directory record Official record
Conditions
Depression, Depression During the Menopausal Transition, Menopausal Depression
Interventions
Phase Advanced Intervention (PAI), Phase Delay Intervention (PDI)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy and Light Therapy

NCT05337943
View directory record Official record
Conditions
Pulmonary Hypertension, Insomnia, Fatigue
Interventions
CBT-I, Bright Light Therapy
Behavioral · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Combined Blue and Red Home-Based Light Therapy on Sleep in Adults With Self-Reported Sleep Difficulties

NCT07465250
View directory record Official record
Conditions
Sleep
Interventions
LED portable light therapy bulb
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Are Bright Lights and Regulated Sleep Effective Treatment for Depression?

NCT03010488
View directory record Official record
Conditions
Sleep Phase Rhythm Disturbance, Sleep Deprivation
Interventions
Morning Light Therapy, Assigned Sleep Times, Goggles
Behavioral · Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors

NCT02954809
View directory record Official record
Conditions
Fatigue, Sleep Disturbance, Circadian Dysregulation
Interventions
Morning bright light therapy, Dim light
Device
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional

Triple Chronotherapy in Adolescents

NCT03679962
View directory record Official record
Conditions
Depressive Disorder, Major, Bipolar Depression, Suicidal Ideation
Interventions
Triple Chronotherapy, Treatment as Usual
Behavioral
Lead sponsor
Billings Clinic
Other
Eligibility
12 Years to 17 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Billings, Montana
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Light Therapy Treatment in Parkinson's Disease Patients With Daytime Somnolence

NCT01338649
View directory record Official record
Conditions
Parkinson's Disease, Sleep Disorder; Excessive Somnolence
Interventions
Bright Light Treatment (Sun Ray Sunbox SB-558), Dim red light (Sun Ray Sunbox SB-558)
Device
Lead sponsor
Northwestern University
Other
Eligibility
Not listed
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Sep 26, 2026, 2:28 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Morning Bright Light to Improve Sleep Quality in Veterans

NCT03578003
View directory record Official record
Conditions
Brain Injuries, Traumatic, Post-traumatic Stress Disorder
Interventions
Morning Bright Light Therapy
Other
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Portand, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional

Feasibility and Tolerability of Adjunct Chronotherapy in Depressed Inpatients

NCT02088580
View directory record Official record
Conditions
Non-Psychotic Unipolar Depression, Bipolar Depression
Interventions
Triple Chronotherapy
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Sep 26, 2026, 2:28 AM EDT
Recruiting Not applicable Interventional

Light Therapy to Improve Sleep in TBI: Sleep-active Biomarkers and Glymphatic Function

NCT07601841
View directory record Official record
Conditions
Sleep, Phototherapy, Glymphatic System, Mitochondrial Dynamics, Brain Injuries, Traumatic, Inflammation
Interventions
Morning Bright Light Therapy, Negative Ion Generator Therapy
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Bright Light Therapy for Treatment of Sleep Problems Following Mild Traumatic Brain Injury

NCT02374918
View directory record Official record
Conditions
Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
Interventions
mTBI wavelength-1 bright light, mTBI wavelength-2 bright light, HC wavelength-1 bright light, HC wavelength-2 bright light
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 50 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 26, 2026, 2:28 AM EDT
Recruiting Not applicable Interventional

Sleep and Circadian Interventions for College Students at High Risk of Suicide

NCT07346014
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
Sleep Feedback + Psychoeducation, Transdiagnostic Sleep and Circadian Intervention + Bright Light (TSC+), Triple Chronotherapy (TCT+)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional

Treating Cancer-Related Fatigue Through Systematic Light Exposure

NCT01873794
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation, Breast Cancer, Fatigue, Mild Cognitive Impairment, Light, Quality of Life, Sleep
Interventions
Bright white light, Dim red light
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Hackensack, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Bright Light Therapy for Residual Daytime Symptoms Associated With Obstructive Sleep Apnea

NCT04299009
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Bright light therapy glasses
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 26, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Improving Sleep in Veterans With TBI

NCT03785600
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Morning Bright Light Therapy, Negative Ion Generator
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 26, 2026, 2:28 AM EDT