Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov official registry

Sleep Disorders clinical trials

Every US clinical trial registered for Sleep Disorders — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

20 US clinical trials ·

The research picture

Sleep Disorders has 20 registered US clinical trials; none are currently listed as recruiting, so most are completed or in follow-up.

0
recruiting participants now
0%
of trials open to enrollment
4
in Phase 3–4 (later-stage)
2
top sponsor: National Institute of Mental Health (NIMH)

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

ACTIVE NOT RECRUITING 1,545 participants

Epidemiology of Sleep-Disordered Breathing in Adults

University of Wisconsin, Madison

NCT00005557

ACTIVE NOT RECRUITING NA 889 participants

Health Education Materials With/Out a Physical Activity Program for Patients Who Have Undergone Treatment for High-Risk Stage II or Stage III Colon Cancer

Canadian Cancer Trials Group

NCT00819208

ACTIVE NOT RECRUITING 100 participants

Sleep Actigraphy in Postural Tachycardia Syndrome (POTS)

Satish R. Raj

NCT00692471

ACTIVE NOT RECRUITING NA 90 participants

Tai Chi Effects on Chronic Insomnia in Breast Cancer Survivors: Immune Mechanisms

Jonsson Comprehensive Cancer Center

NCT00690196

COMPLETED 1,944 participants

Family Study of Affective and Anxiety Spectrum Disorders

National Institute of Mental Health (NIMH)

NCT00071786

COMPLETED Phase 2 410 participants

Yoga in Treating Sleep Disturbance in Cancer Survivors

Gary Morrow

NCT00397930

COMPLETED 325 participants

Pediatric Sleep Questionnaire: Normalization and Validation Study

University of Chicago

NCT00203840

COMPLETED Phase 3 304 participants

Cooperative Studies Program #563 - Prazosin and Combat Trauma PTSD

VA Office of Research and Development

NCT00532493

COMPLETED Phase 3 227 participants

(Valerian) for Improving Sleep in Patients With Cancer Receiving Adjuvant Therapy

Alliance for Clinical Trials in Oncology

NCT00075842

COMPLETED Phase 3 119 participants

Effects Of Pregabalin (Lyrica) On Sleep Maintenance In Subjects With Fibromyalgia

Pfizer's Upjohn has merged with Mylan to form Viatris

NCT00883740

COMPLETED NA 90 participants

"Reversibility of Cardiovascular Injury With CPAP Use: Mechanisms Involved"

University of Wisconsin, Madison

NCT01317329

COMPLETED 38 participants

Circadian Regulation of Sleep in Habitual Short Sleepers and Long Sleepers

National Institute of Mental Health (NIMH)

NCT00001546

COMPLETED NA 33 participants

Cognitive-Behavioral Intervention for Worry, Uncertainty, and Insomnia for Cancer Survivors

Ohio State University Comprehensive Cancer Center

NCT01929720

COMPLETED NA 29 participants

Phase II Early Behavioral Intervention in BMT w/ Sleep Disturbance-Assess QOL+Fatigue+Cognitive f(x)

Stanford University

NCT01536977

COMPLETED NA 26 participants

Use of an Educational Story to Prepare Children With Developmental Disabilities for Sleep Study

Jennifer Accardo

NCT02132273

COMPLETED NA 21 participants

Efficacy of a Brief Nightmare Treatment for Veterans

University of Tul

NCT01220401

COMPLETED NA 20 participants

Zolpidem CR and Hospitalized Patients With Dementia

Massachusetts General Hospital

NCT00814502

COMPLETED Phase 4 19 participants

The Effects of Milnacipran on Sleep Disturbance in Fibromyalgia

Mansoor Ahmed M.D.

NCT01234675

COMPLETED NA 16 participants

Sleep Length and Circadian Regulation in Humans

Rush University Medical Center

NCT00843843

COMPLETED NA 10 participants

Whole Body Periodic Acceleration on Activity and Sleep In Parkinson's Disease

New York Institute of Technology

NCT02874261

Phase Distribution

PhaseTrial count
Phase 2 1
Phase 3 3
Phase 4 1

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Sleep Disorders Trial Landscape

ClinicalTrials.gov lists 20 US studies indexed under Sleep Disorders, and 0 of those are currently open to recruitment — roughly 0% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Sleep Disorders shows 4 late-stage studies (Phase 3 and Phase 4 combined) alongside 1 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Sleep Disorders is led by National Institute of Mental Health (NIMH) with 2 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 20 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Sleep Disorders?

PlainTrial tracks 20 US clinical trials for Sleep Disorders, of which 0 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Sleep Disorders?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

Verify with NIH →