- Conditions
- Sleep Disorders, Circadian Rhythm, Sleep Disorder, Acceptability, Feasibility, Adaptation, Implementation Research
- Interventions
- Fitted Transdiagnostic Sleep and Circadian intervention
- Behavioral
- Lead sponsor
- University of California, Berkeley
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Berkeley, California
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 47
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Sleep Disorder
- Interventions
- Ramelteon, Placebo
- Drug
- Lead sponsor
- Takeda
- Industry
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005
- U.S. locations
- 13
- States / cities
- Hot Springs, Arkansas • Los Angeles, California • San Diego, California + 10 more
- Conditions
- Irregular Sleep Wake Rhythm Disorder
- Interventions
- Non-interventional
- Other
- Lead sponsor
- Eisai Inc.
- Industry
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020
- U.S. locations
- 6
- States / cities
- Costa Mesa, California • San Diego, California • Miami, Florida + 3 more
- Conditions
- Shift-Work Sleep Disorder
- Interventions
- eszopiclone, matching placebo
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 20 Years to 50 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Circadian Rhythm Sleep Disorder of Shift Work Type, Metabolic Disease, Insulin Sensitivity, Blood Pressure
- Interventions
- Time-restricted eating, Control eating
- Behavioral
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2029
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- Conditions
- Sleep Disorders, Circadian Rhythm, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder, Advanced Sleep Phase Syndrome (ASPS), Delayed Sleep Phase Syndrome, Sleep Wake Disorders, Sleep Disorder
- Interventions
- dim light melatonin onset (DLMO)
- Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 50 participants
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Sleep Deprivation, Circadian Dysregulation, Shift-Work Sleep Disorder
- Interventions
- sleep extension & circadian alignment
- Behavioral
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome
- Interventions
- Short Nap Intervention, No Nap Intervention
- Behavioral
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Traumatic Brain Injury, Neurobehavioral Manifestation, Sleep Disorder, Fatigue
- Interventions
- Not listed
- Lead sponsor
- National Institute of Nursing Research (NINR)
- NIH
- Eligibility
- 25 Years to 40 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Osteoporosis, Circadian Rhythm Sleep Disorder, Shift Work Type
- Interventions
- Simulated short term night shift work schedule
- Behavioral
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Fatigue, Shift Work Type Circadian Rhythm Sleep Disorder
- Interventions
- Personalized coaching, Nutrition handout
- Behavioral
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- Not listed
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- Conditions
- Circadian Rhythm Sleep Disorder of Shift Work Type, Metabolic Disease, Insulin Sensitivity
- Interventions
- Time-restricted feeding, Circadian Misalignment
- Behavioral
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- Conditions
- Sleep, Sleep Disturbance, Sleep Disorder, Shift Work, Health Knowledge, Attitudes, Practice, Health Behavior, Fatigue, Vibration; Exposure
- Interventions
- Enhanced Cab, Fit4Sleep
- Other · Behavioral
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2021
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Attention Deficit Hyperactivity Disorder, Delayed Sleep Phase Type Circadian Rhythm Sleep Disorder
- Interventions
- Polarized glasses designed to filter out blue light
- Device
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Shift Work Type Circadian Rhythm Sleep Disorder, Diabetes Mellitus, Type 2, Circadian Rhythm Sleep Disorder, Shift Work Type, Insulin Resistance
- Interventions
- Not listed
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 365 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Sleep Disorders, Sleep Apnea, Obstructive, Restless Legs Syndrome, Sleep Disorders, Circadian Rhythm, Sleep Initiation and Maintenance Disorders
- Interventions
- Sleep Hygiene Education, Expert-Led Sleep Disorders Screening and Treatment, Online Sleep Disorders Screening
- Behavioral · Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 683 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Shift-Work Sleep Disorder
- Interventions
- Sleep Enhancement Training System, NIOSH shiftwork booklet
- Behavioral
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Sleep Disorder, Shift-Work
- Interventions
- Suvorexant, Placebo
- Drug
- Lead sponsor
- VA Palo Alto Health Care System
- Federal
- Eligibility
- 20 Years to 60 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- Shift Work Type Circadian Rhythm Sleep Disorder, Insomnia, Psychophysiological
- Interventions
- Shift Worker Intervention for Sleep Health
- Behavioral
- Lead sponsor
- Oregon State University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Corvallis, Oregon
- Conditions
- Shift Work Type Circadian Rhythm Sleep Disorder, Eating Behavior
- Interventions
- Portion size
- Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 20 Years to 55 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Circadian Rhythm Sleep Disorder
- Interventions
- Not listed
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 156 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2024
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome, Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Delayed Phase Sleep Syndrome
- Interventions
- sleep-wake timing, constant routine
- Behavioral
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Developmental Delay Disorders, Chromosome Deletion, Mental Retardation, Sleep Disorders, Circadian Rhythm, Self Injurious Behavior
- Interventions
- dTR Melatonin (NIH CC PDS), Phototherapy (Bright Light), Melatonin CR
- Drug · Device
- Lead sponsor
- National Human Genome Research Institute (NHGRI)
- NIH
- Eligibility
- 3 Years to 45 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2018
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Chronic Insomnia, Sleep Deprivation, REM Behavior Disorder, REM Sleep Behavior Disorder, REM Sleep Measurement, Insomnia, Insomnia Related to Specified Disorder, Insomnia Due to Other Mental Disorder, Insomnia Comorbid to Psychiatric Disorder, Insomnia Due to Anxiety and Fear, Insomnia Related to Another Mental Condition, Insomnia Disorders, Idiopathic Hypersomnia, Sleep Disorders, Circadian Rhythm, Post Trauma Nightmares, PTSD - Post Traumatic Stress Disorder, Sleep Quality, Anesthesia, Anxiety, Depression, Mental Health, Alzheimer Disease or Associated Disorder, Parkinsons, Circadian Rhythm, Circadian Dysregulation, PTSD, Post-Traumatic, Post-Traumatic Stress Disorder Complex, Military Combat Stress Reaction, Sleep, Military Activity, Veterans, Shift Work Sleep Disorder, Menopause Related Conditions, Pain, Cancer Pain, Athletes
- Interventions
- PROSOMNIA Sleep Therapy™ (PSTx), Anesthesia-Induced Sleep Therapy, Diprivan (propofol), Astra-Zeneca, Continuous EEG Monitoring
- Procedure · Drug · Device
- Lead sponsor
- Nyree Penn
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Aventura, Florida