Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Sleep Initiation and Maintenance Disorders: early-phase trial registry
5 of 20 indexed Sleep Initiation and Maintenance Disorders trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #848 of 28,707 conditions by registered trial count.
20 US clinical trials · 5 currently recruiting · #848 of 28,707 conditions by registered trial count
Sleep Initiation and Maintenance Disorders: 20 US clinical trials tracked, 5 recruiting.
Sleep Initiation and Maintenance Disorders is the subject of 20 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 7 in Phase 1-2 (earlier-stage). The most active sponsor is University of Virginia, running 3 of these trials.
Enrollment posture brief
Registry condition sleep-initiation-and-maintenance-disorders
OPEN 5 | RECR 25% | LATE 3 | EARLY 7 | RANK #848 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)
Sleep Initiation and Maintenance Disorders lists 5 open slots (25% of 20 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 Initiation and Maintenance Disorders 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 Initiation and Maintenance Disorders is recruiting below its size-band peers.
5 of 20 indexed trials (25%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Sleep Initiation and Maintenance Disorders research.
University of Virginia accounts for 3 of 20 trials (15%). 18 distinct sponsors appear on at least one study for this condition label.
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Typical Sleep Initiation and Maintenance Disorders enrolment sits around 144 participants.
Median target enrolment is 144 among the 20 trials that report a genuine target (sentinel values excluded). 7 of those (35%) plan for fewer than 100 participants.
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Sleep Initiation and Maintenance Disorders research is mostly interventional.
18 interventional and 2 observational studies make up this index (90% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
20 total, page 1 of 1
Sleep for Health Study on the Effects of Cognitive Behavioral Therapy for Insomnia on Diabetes Risk
Kaiser Permanente
NCT06067139
Suvorexant: A Dual Orexin Receptor Antagonist for Treating Sleep Disturbance in Posttraumatic Stress
VA Office of Research and Development
NCT03642028
Sleep Healthy Using the Internet Mitigating Insomnia to Address Neurocognitive Difficulties (SHUTi MIND)
University of Virginia
NCT05565833
Optimizing Sleep Health in Nurses
Oregon State University
NCT05965609
Mindfulness Meditation for Insomnia
Brigham and Women's Hospital
NCT06972303
A Study to Assess the Pregnancy Outcome in Women Exposed to Dayvigo® During Pregnancy Compared to an Unexposed Control Population
Eisai
NCT06744673
Tai Chi Effects on Chronic Insomnia in Breast Cancer Survivors: Immune Mechanisms
Jonsson Comprehensive Cancer Center
NCT00690196
Efficacy of Ramelteon in Subjects With Chronic Insomnia
Takeda
NCT00671086
Efficacy and Safety of M100907 on Sleep Maintenance Insomnia With a Sub-study in Stable Type II Diabetes Mellitus
Sanofi
NCT00495885
Efficacy Study of LY2422347 to Treat Insomnia
Eli Lilly and Company
NCT00259311
Effects Of GW679769 On Sleep Onset And Maintenance And Next Day Functioning In Subjects With Primary Insomnia
GlaxoSmithKline
NCT00280423
Sleep Healthy Using The Internet for Older Adult Sufferers of Insomnia and Sleeplessness
University of Virginia
NCT03213132
Insomnia Self-Management in Heart Failure
Yale University
NCT02660385
Efficacy Study of EVT 201 in the Treatment of Elderly Patients With Daytime Sleepiness
Evotec Neurosciences
NCT00401284
Cognitive Behavioral Insomnia Therapy for Individuals With Fibromyalgia
Duke University
NCT00321451
Optimizing Efficiency and Impact of Digital Health Interventions for Caregivers
University of Virginia
NCT04986904
Remote Study of NightWare for PTSD With Nightmares
NightWare
NCT03934658
Xyrem(Sodium Oxybate) and Ambien(Zolpidem Tartrate) in the Treatment of Chronic Insomnia.
Stanford University
NCT00383643
Testing the Nocturnal Sleep Latency Profile in Primary Insomnia
University of Pittsburgh
NCT00167375
Cognitive Behavioral Therapy for Trauma-Related Insomnia in Veterans
Southeast Louisiana Veterans Health Care System
NCT01176123
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 6 |
| Phase 3 | 2 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Sleep Initiation and Maintenance Disorders records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Sleep Initiation and Maintenance Disorders 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 Initiation and Maintenance Disorders page
20 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 5 Sleep Initiation and Maintenance Disorders trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of Virginia sponsors the most Sleep Initiation and Maintenance Disorders trials on record, review their full trial history before evaluating a specific study. See University of Virginia'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 Initiation and Maintenance Disorders condition card totals 20 registered trials; most-linked intervention Patient Education; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.