Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Sleep: early-phase trial registry
73 of 152 indexed Sleep trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #74 of 28,707 conditions by registered trial count.
152 US clinical trials · 73 currently recruiting · #74 of 28,707 conditions by registered trial count
Sleep: 152 US clinical trials tracked, 73 recruiting.
Sleep is the subject of 152 registered US clinical trials on ClinicalTrials.gov, 73 of them currently open to new participants. 7 are in Phase 3-4 (later-stage) and 15 in Phase 1-2 (earlier-stage). The most active sponsor is University of Pittsburgh, running 10 of these trials.
Enrollment posture brief
Registry condition sleep
OPEN 73 | RECR 48% | LATE 7 | EARLY 15 | RANK #74 | SPON 10
Volume-matched condition peers
Nearest open-share peer: Alpha-1 Antitrypsin Deficiency (48% recruiting · 25 trials)
Sleep lists 73 open slots (48% of 152 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Sleep on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Sleep is recruiting above its size-band peers.
73 of 152 indexed trials (48%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Sleep trials is spread across many organizations.
University of Pittsburgh accounts for 10 of 152 trials (6.6%). 96 distinct sponsors appear on at least one study for this condition label.
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Typical Sleep enrolment sits around 80 participants.
Median target enrolment is 80 among the 152 trials that report a genuine target (sentinel values excluded). 84 of those (55.3%) plan for fewer than 100 participants.
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Sleep research is mostly interventional.
134 interventional and 18 observational studies make up this index (88.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
152 total, page 3 of 4
StandUPTV: Reducing Sedentary Screen Time in Adults
Arizona State University
NCT04464993
Enhancing Sleep Duration: Effects on Children's Eating and Activity Behaviors
The Miriam Hospital
NCT01508793
Comparing Acupuncture, BioModulator, and Transcutaneous Electrical Nerve Stimulation for Symptomatic Treatment of Chronic Pain.
Samueli Institute for Information Biology
NCT01752010
Mindfulness-Based College: Stage 1
Brown University
NCT03124446
Impact of Bed Provision and Sleep Education
Saint Joseph's University, Philadelphia
NCT04536766
Stress Reduction Training to Improve Sleep Quality, Stress Physiology & Cardiovascular Disease (CVD) Risk Markers
Duke University
NCT01343810
The "PC-LIGHT" Study
Northwestern University
NCT03419585
Impact of Protein Quantity Within the USDA Healthy Style Eating Pattern on Sleep
Purdue University
NCT03174769
Tart Cherry Supplementation & Gut Microbiome and Inflammation
Ohio University
NCT04467372
Effect of Music and Other Audio Recordings for Chronic Pain in Aging Adults
Baylor University
NCT04785963
Teaching Healthy Responsive Parenting During Infancy to Promote Vital Growth and dEvelopment (THRIVE) Study
Children's Hospital Medical Center, Cincinnati
NCT04989738
Sleep Quality in High School Students With Asthma - II
Columbia University
NCT03329066
MRI Measurement of Brain Metabolism Across the Sleep-Wake Cycle
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00117221
Treating Cancer-Related Fatigue Through Systematic Light Exposure
Icahn School of Medicine at Mount Sinai
NCT01873794
Cognitive Behavioral Treatment for Improving Sleep in Overweight and Obese Youth
University of Florida
NCT02232217
Relationship of Exercise, Sleep, and Inflammation Markers in People Living With HIV
Christine Horvat Davey
NCT04946994
Research on Improving Sleep During Pregnancy
University of California, San Francisco
NCT05017974
Sleep and Glucose Regulation in Youth With Type 1 Diabetes Mellitus
University of Arizona
NCT00848822
EaseAlert: Tactile Firefighter Alerting System
Embry-Riddle Aeronautical University
NCT05641194
Lower Extremity Splinting to Manage Pain and Sleep Disturbances Associated With HIV/AIDS Related Peripheral Neuropathy
Texas Woman's University
NCT01419314
WatchPAT Device Validation Study Compared to Polysomnography
University of Colorado, Denver
NCT03188718
Addressing Health Disparities in African Americans - Exploring Sleep and Developing Interventions
Pennington Biomedical Research Center
NCT05102175
Sleep Quality in High School Students With Asthma
Columbia University
NCT03073187
Study to Evaluate the Efficacy of Asystems' Complete Calm Supplementation on Sleep Quality and Duration, Anxiety, and Stress
Asystem
NCT05190640
The Effect of Sleep Extension in Teenage Girls at a College Preparatory High School
Medical College of Wisconsin
NCT04285307
Bright Light: A Novel Treatment for Anxiety
University of South Carolina
NCT01064700
Efficacy of Clinical Decision Support and Sleep Navigation (Sleep PASS)
Children's Hospital of Philadelphia
NCT05353998
Sleep During Weight Loss and Weight Loss Maintenance
Dartmouth-Hitchcock Medical Center
NCT03774563
A Single-Arm, Virtual Clinical Trial to Evaluate the Effects of a Sleep Supporting Beverage and Two Coffee Substitute Products
Clevr Blends
NCT06146517
The Effects of Bright Light Exposure on ICU Nurses
University of Pittsburgh
NCT03331822
Project MiCRIM- Sleep and Stress Intervention
Florida State University
NCT05384067
Whey Protein Supplementation in High School Athletes
University of Utah
NCT05589129
The Effects of Mindfulness Meditation on Sleep Quality and Perceived Stress
University of the Sciences in Philadelphia
NCT05253092
Reinstatement of Context During Sleep and Its Subsequent Effect on Memory: an fMRI Study
Northwestern University
NCT04702724
Hypnotic Medications and Memory: Effect of Drug Exposure During the Night
St. Luke's Hospital, Chesterfield, Missouri
NCT01159652
Bedtime Stories: A Sleep Health Education Program for Healthcare Providers
Boston Children's Hospital
NCT06455579
Reactivating Specific Memories During Sleep in Conjunction with a Suppression Context
Northwestern University
NCT04702750
Glucose Metabolism and Sleep in People With Family History of Type 2 Diabetes.
University of Chicago
NCT00720889
Effects of Melatonin on Sleep, Ventilatory Control and Cognition at Altitude.
University of California, San Diego
NCT03368352
Synovial Fluid Sleep Study
NYU Langone Health
NCT04688099
The Effects of Milnacipran on Sleep Disturbance in Fibromyalgia
Mansoor Ahmed M.D.
NCT01234675
Sleep Promotion Program Primary Care (SPP PC) Open Trial
University of Pittsburgh
NCT06239792
Implementing Behavioral Sleep Intervention in Urban Primary Care
Children's Hospital of Philadelphia
NCT04046341
Kavalactones on Sleep and Cortisol in Healthy Special Forces Trainees
Thorne HealthTech
NCT05381025
Treating Sleep in Teens With ADHD
Children's Hospital Medical Center, Cincinnati
NCT04270812
Electrical Synchronization of Slow Oscillations to Enhance Deep Sleep
Brain Electrophysiology Laboratory Company
NCT04461769
A Combined School- and Home-Based Sleep Promotion Program
University of South Carolina
NCT06131944
The Effect of Pre-Frontal tDCS on Sleep Propensity During an Afternoon Nap: RCT
Medical University of South Carolina
NCT02176785
First Responder Resiliency Program During COVID-19
Mayo Clinic
NCT04536376
Optimizing Sleep/Wake Related Cognitive Efficacy
Mayo Clinic
NCT02412410
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 7 |
| Phase 2 | 8 |
| Phase 3 | 3 |
| Phase 4 | 4 |
Top Sponsors
Named interventions
Most-linked intervention names on Sleep records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Sleep trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Sleep page
152 registered trials, 73 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 73 Sleep trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of Pittsburgh sponsors the most Sleep trials on record, review their full trial history before evaluating a specific study. See University of Pittsburgh's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Sleep condition card totals 152 registered trials; most-linked intervention Placebo; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.