Not applicableLooking for participantsNCT06687304What this trial is testingLight in Healthcare Environment (Ljus i sjukhusmiljö)Who this might be right forSleep QualityWell-beingMelatonin+2 more Lund University 18
Not applicableStudy completedNCT02037438What this trial is testingSustainable Methods, Algorithms, and Research Tools for Delivering Optimal Care StudyWho this might be right forObstructive Sleep Apnea of AdultInsomniaCircadian Rhythm Sleep Disorder+3 more Stanford University 1,836
Not applicableEnded earlyNCT03980340What this trial is testingBreath Biomarkers for Sleep Loss and Circadian TimingWho this might be right forShift-Work Sleep DisorderShift Work Type Circadian Rhythm Sleep DisorderSleep Disorders, Circadian Rhythm+8 more Brigham and Women's Hospital 5
Not applicableLooking for participantsNCT07317349What this trial is testingThe Effect of a Continuous 1-Hour Time Delay on Circadian RhythmsWho this might be right forCircadian RhythmsTime PerceptionSleep University of Aarhus 40
Not applicableStudy completedNCT05342987What this trial is testingCircadian Rhythm and Delirium in ICUWho this might be right forCircadian RhythmSleep QualityIntensive Care Unit Delirium Shanghai Zhongshan Hospital 190
Not applicableStudy completedNCT03153917What this trial is testingBiological Rhythms Impact of 12 Hours Shift WorkWho this might be right forShift-Work Sleep Disorder Hospices Civils de Lyon 15
Not applicableEnded earlyNCT03813654What this trial is testingSleep and Circadian Treatments for Shift WorkersWho this might be right forShift-Work Sleep DisorderShift-Work Related Sleep Disturbance Brigham and Women's Hospital 33
Not applicableLooking for participantsNCT06535178What this trial is testingThe Influence of Sleep on Cardiovascular OutcomesWho this might be right forCircadian RhythmCardiometabolic HealthVascular Health+1 more Oregon Health and Science University 30
Not applicableStudy completedNCT02997319What this trial is testingShift Work, Heredity, Insulin, and Food Timing StudyWho this might be right forShift Work Type Circadian Rhythm Sleep DisorderDiabetes Mellitus, Type 2Circadian Rhythm Sleep Disorder, Shift Work Type+1 more Massachusetts General Hospital 365
Large-scale testing (Phase 3)Study completedNCT03715465What this trial is testingThe Clinical Utility of Measuring the Circadian Clock in Treatment of Delayed Sleep-Wake Phase DisorderWho this might be right forDelayed Sleep Phase Syndrome University of Michigan 44
Not applicableLooking for participantsNCT06104280What this trial is testingMedications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for TreatmentWho this might be right forOpioid Use DisorderSleep Disturbance University of Alabama at Birmingham 200
Not applicableStudy completedNCT05603780What this trial is testingDEEPTIME: Human Adaptation in Time Underground IsolationWho this might be right forPhysiological StressCognitive DysfunctionSleep University Hospital, Caen 15
Not applicableStudy completedNCT01742182What this trial is testingCircadian Rhythms and Sleep-Wake Cycles in Parkinson's DiseaseWho this might be right forParkinson's Disease Massachusetts General Hospital 70
Not applicableStudy completedNCT03636360What this trial is testingThe Impact of Artificial Sunlight on Human Sleep and Circadian RhythmsWho this might be right forSleepCircadian DysregulationMood VA Palo Alto Health Care System 10
Not applicableLooking for participantsNCT06555406What this trial is testingHealthy Lifestyles in Bipolar Disorder: Bay Area StudyWho this might be right forBipolar DisorderTime Restricted Eating University of California, Berkeley 150
Testing effectiveness (Phase 2)Study completedNCT03205033What this trial is testingMelatonin as a Circadian Clock Regulator, Neuromodulator and Myelo-protector in Adjuvant Breast Cancer ChemotherapyWho this might be right forSleep Disorders, Circadian RhythmDepressionGenotoxicity+1 more Hospital de Clinicas de Porto Alegre 36
Not applicableUnknownNCT02964598What this trial is testingSleepHelsinki! CIRCADIAN SLEEP REGULATION IN ADOLESCENCEWho this might be right forSleep Disorder Circadian Rhythm, Delayed Sleep Phase Type University of Helsinki 270
Not applicableUnknownNCT06181110What this trial is testingSleep-Wake Patterns on Illness Trajectories and Treatment Response in MDDWho this might be right forDepressionSleep Disorders, Circadian Rhythm Chinese University of Hong Kong 70
Not applicableUnknownNCT00506428What this trial is testingEffects of Chronic Sleep Restriction in Young and Older PeopleWho this might be right forAgingSleep DeprivationMetabolic Syndrome National Institute on Aging (NIA) 25
Very early researchLooking for participantsNCT05701969What this trial is testingEffect of Melatonin on Sleep Patterns of Resident Trainees During Night Float ShiftWho this might be right forSleep Disorders, Circadian Rhythm University of Virginia 50