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ClinicalTrials.gov public records Last synced Oct 24, 2026, 5:46 AM EDT

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Showing 1–24 of 75 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sleepiness, Daytime Clear all
Completed Phase 2 Interventional Results available

A Study Of A Novel Compound For Excessive Daytime Sleepiness Associated With Narcolepsy

NCT01006122
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Narcolepsy
Interventions
Placebo, PF-03654746
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
21
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 2 Interventional Results available

BEN-2001 in Parkinson Disease Patients With Excessive Daytime Sleepiness

NCT03194217
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Parkinson Disease
Interventions
BEN-2001, Placebo
Drug
Lead sponsor
BenevolentAI Bio
Industry
Eligibility
50 Years to 80 Years
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 24, 2026, 5:46 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Project REST: Club Sports

NCT07103759
View directory record Official record
Conditions
Poor Quality Sleep
Interventions
Refrain from caffeine techniques, Project REST Platform
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 24, 2026, 5:46 AM EDT
Recruiting Phase 3 Interventional

A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Idiopathic Hypersomnia (IH)

NCT07500090
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
HBS-301 tablet, Placebo
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
40
States / cities
Birmingham, Alabama • Peoria, Arizona • Redwood City, California + 36 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Withdrawn Not applicable Interventional

Comparison of Modafinil and Methylphenidate in Treatment of Excessive Daytime Sleepiness in Patients With Parkinson's Disease

NCT00393562
View directory record Official record
Conditions
Parkinson's Disease
Interventions
modafinil, methylphenidate
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 24, 2026, 5:46 AM EDT
No Longer Available No phase listed Expanded access

Expanded Access Program to Provide Treatment With Pitolisant to Adult Patients in the U.S. With Excessive Daytime Sleepiness Associated With Narcolepsy With or Without Cataplexy

NCT03433131
View directory record Official record
Conditions
Narcolepsy Without Cataplexy, Narcolepsy With Cataplexy
Interventions
Pitolisant
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
U.S. locations
71
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess Patient Reported Outcomes With Armodafinil Treatment for Excessive Sleepiness in Adults With Narcolepsy or Obstructive Sleep Apnea/Hypopnea Syndrome

NCT00228566
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome (OSAHS)
Interventions
Armodafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
43
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 2 Interventional

Four-week Study of the Safety and Efficacy of NLS-2 (Mazindol Extended Release) in the Treatment of Narcolepsy

NCT04923594
View directory record Official record
Conditions
Narcolepsy, Excessive Daytime Sleepiness, Cataplexy Narcolepsy
Interventions
mazindol extended release, Placebo
Drug
Lead sponsor
NLS Pharmaceutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
22
States / cities
Birmingham, Alabama • Redwood City, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2022 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 3 Interventional

A Study to Assess the Long-term Efficacy and Safety of AXS-12 (Reboxetine) in Subjects With Narcolepsy (ENCORE)

NCT05113745
View directory record Official record
Conditions
Narcolepsy, Cataplexy, Excessive Daytime Sleepiness
Interventions
AXS-12 (reboxetine), Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
15 Years to 75 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
24
States / cities
Phoenix, Arizona • Boulder, Colorado • Colorado Springs, Colorado + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 24, 2026, 5:46 AM EDT
Recruiting Phase 3 Interventional

A Phase 3 Study to Evaluate the Efficacy and Safety of Samelisant in Patients With Narcolepsy (AWAKE)

NCT07540364
View directory record Official record
Conditions
Narcolepsy
Interventions
Samelisant, Placebo
Drug
Lead sponsor
Suven Life Sciences Limited
Industry
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Recruiting Phase 2 Interventional

A Long-term Extension Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia

NCT07096674
View directory record Official record
Conditions
Narcolepsy Type 1, Narcolepsy Type 2, Idiopathic Hypersomnia
Interventions
ORX750
Drug
Lead sponsor
Centessa Pharmaceuticals (UK) Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
19
States / cities
Auburn, Alabama • Santa Ana, California • Miami, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Terminated Phase 4 Interventional Results available

Suvorexant in Insomnia Co-morbid With Fibromyalgia

NCT02684136
View directory record Official record
Conditions
Insomnia, Fibromyalgia
Interventions
suvorexant, placebo
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 16, 2021 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 1 Interventional

Study of TAK-925 in Participants With Obstructive Sleep Apnea (OSA) Who Are Experiencing Excessive Daytime Sleepiness (EDS) Despite Adequate Use of Continuous Positive Airway Pressure (CPAP)

NCT04091425
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
TAK-925, Placebo
Drug
Lead sponsor
Millennium Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 67 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
18
States / cities
Alabaster, Alabama • Glendale, Arizona • Little Rock, Arkansas + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Oct 24, 2026, 5:46 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Start Times and Restful Sleep

NCT04049682
View directory record Official record
Conditions
Excessive Daytime Somnolence, Sleep Deprivation
Interventions
Delayed School Start Time
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
13 Years to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Not applicable Interventional Results available

Treatment of Post-Traumatic Brain Injury (Post-TBI) Fatigue With Light Therapy

NCT01725750
View directory record Official record
Conditions
Traumatic Brain Injury, Fatigue
Interventions
Bright White Light (BWL), Dim Red Light (DRL)
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 4 Interventional Results available

Lemborexant Shift Work Treatment Study

NCT05344443
View directory record Official record
Conditions
Shift-Work Related Sleep Disturbance
Interventions
Lemborexant, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
20 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Bright Light Therapy on Prader-Willi Syndrome

NCT05939453
View directory record Official record
Conditions
Prader-Willi Syndrome, Excessive Daytime Sleepiness, Hyperphagia, Body Weight, Mood, Behavior
Interventions
Sham Light, Bright Light Therapy
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
6 Years to 88 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Terminated Not applicable Interventional

Whole Food Plant-based Diet Effect on Obstructive Sleep Apnea

NCT06395181
View directory record Official record
Conditions
Obstructive Sleep Apnea, Daytime Sleepiness
Interventions
Whole Food Plant-Based Diet
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 2

NCT06555783
View directory record Official record
Conditions
Narcolepsy Type 2
Interventions
ALKS 2680, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
33
States / cities
Little Rock, Arkansas • Los Angeles, California • Redwood City, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study to Determine the Effectiveness of Pillar Palatal Implants to Treat Obstructive Sleep Apnea

NCT00307957
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Pillar Palatal Implants
Device
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
3
States / cities
Indianapolis, Indiana • Cincinnati, Ohio • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 12, 2007 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Phase 2 Interventional Results available

Clinical Outcomes in Narcolepsy and Cataplexy: An Evaluation of Reboxetine Treatment (CONCERT)

NCT03881852
View directory record Official record
Conditions
Narcolepsy, Cataplexy Narcolepsy, Excessive Sleepiness
Interventions
AXS-12 (Reboxetine), Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
14
States / cities
Birmingham, Alabama • Alameda, California • Santa Ana, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 24, 2026, 5:46 AM EDT
Active, not recruiting Not applicable Interventional

Bright Light Therapy for Non-motor Symptoms in Parkinson's Disease

NCT02909192
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Light Therapy Device
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Not applicable Interventional Results available

Bright Light Therapy for Residual Daytime Symptoms Associated With Obstructive Sleep Apnea

NCT04299009
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Bright light therapy glasses
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 24, 2026, 5:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep and Morning Wellbeing Study

NCT07311434
View directory record Official record
Conditions
Sleep, Relaxation, Stress, Daytime Sleepiness
Interventions
Sleep Supplement
Dietary Supplement
Lead sponsor
Athletic Greens International
Industry
Eligibility
22 Years to 59 Years
Enrollment
331 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 24, 2026, 5:46 AM EDT