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Sleepiness clinical trials recruiting in the U.S.
6 studies for Sleepiness are recruiting participants at sites across the United States.
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Recently updated studies
A Study to Investigate the Effects of Cleminorexton Compared With Placebo in the Treatment of Participants With Central Disorders of Hypersomnolence
RecruitingPhase 2/3
Ages 18 to 70 · All sexes · Updated Sep 11, 2026 · NCT07598708A Study to Evaluate the Efficacy, Safety and Tolerability of ALKS 2680 in Adults With Narcolepsy Type 1 (Brilliance NT1 - 304)
RecruitingPhase 3
Ages 18 to 70 · All sexes · Updated Sep 3, 2026 · NCT07540897Impact of Positive Airway Pressure Therapy on Clinical Outcomes in Older Veterans With Chronic Obstructive Pulmonary Disease and Comorbid Obstructive Sleep Apnea (Overlap Syndrome)
Recruiting
Ages 60 and older · All sexes · Updated Jun 5, 2026 · NCT04179981Neurocognitive and Health Impact of Sleep Apnea in Elderly Veterans With Comorbid COPD
Recruiting
Ages 60 to 89 · All sexes · Updated May 26, 2026 · NCT02703207Predictors of Post-COVID-19 Clinical and Cognitive Consequences
RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Jan 23, 2026 · NCT06291870Obstructive Sleep Apnea Therapeutic Intervention for REsiDual Sleepiness
Recruiting
Ages 18 to 75 · All sexes · Updated Jan 14, 2026 · NCT06698809From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.