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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: normal sleep times Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Strategies to Augment Ketosis: Ketone Conferred Resiliency Against Sleep Restriction

NCT05519644
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Sleep Deprivation, Heart Rate, Sleep Monitoring, Diet, Exercise Performance, Surveys, McGill Pain Questionnaire, Shortened Profile of Mood States, Pittsburg Sleep Index, Cognitive performance, Marksmanship Performance, Quick Board, Advanced Medical Technologies Inc, Jump Test, CGM/CKM, Blood Draw, Ketone Supplement
Other · Behavioral · Biological + 1 more
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pilot Trial in Sleep Laboratory Setting to Compare the Physiology of Night Time Bladder Function in Subjects With Overactive Bladder (OAB) Versus Subjects That Have Insomnia and Healthy Normal Subjects

NCT01029015
View directory record Official record
Conditions
Bladder Function
Interventions
cystometry, polysomnography
Procedure
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
45 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 6, 2011 · Synced Sep 23, 2026, 7:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sleep-dependent Learning in Aging

NCT03840083
View directory record Official record
Conditions
Sleep
Interventions
Sleep
Behavioral
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years to 80 Years
Enrollment
584 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Timing and Energy Balance

NCT01866280
View directory record Official record
Conditions
Sleep, Meals
Interventions
Normal sleep, Normal meals, Late sleep, Late meals
Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
20 Years to 45 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cue-based Tactile Stimulation and Infant Stress Reactivity

NCT01121523
View directory record Official record
Conditions
Premature; Infant, Light-for-dates
Interventions
Cue directed tactile stimulation
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
7 Days to 4 Months
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Sep 23, 2026, 7:03 PM EDT
Terminated Not applicable Interventional

Cervical Spine Focused Treatment for Patients With Persistent Concussion Symptoms and Neck Pain

NCT06616272
View directory record Official record
Conditions
Brain Concussion, Neck Pain
Interventions
Cervical rehabilitation, Standard Concussion Care
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Not yet recruiting Not applicable Interventional

KPAP Adherence Crossover Study

NCT06413134
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
KPAP, APAP
Device
Lead sponsor
SleepRes Inc.
Industry
Eligibility
20 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Murfreesboro, Tennessee
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Sleep in Adolescents - Pilot Study

NCT05703061
View directory record Official record
Conditions
Sleep
Interventions
10-hour Time in Bed
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
14 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Intervention in Depression

NCT06080932
View directory record Official record
Conditions
Depression, Ketosis
Interventions
Ketogenic Diet, NIH Toolbox, gradCPT, Resting-state fMRI, Task-fMRI, CGM/CKM, Blood Draw, Sleep Monitoring, Ketone/Glucose Monitoring, Body Composition, PHQ-9, WHO-5, SKID
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Desipramine on Genioglossus Muscle Activity in Healthy Adults Study A

NCT02428478
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Desipramine, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Sep 23, 2026, 7:03 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Polycystic Ovary Syndrome (PCOS) and Sleep Apnea

NCT00203996
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP), depot leuprolide plus estrogen/progestin replacement, pioglitazone, REM frag, SWS supp
Device · Drug · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 23, 2026, 7:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

OSA in Pregnant Women With Chronic HTN

NCT03230110
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Pregnancy, Hypertension
Interventions
WP200U home sleep study device
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Sleep Restriction on BAT Activation in Humans

NCT02770118
View directory record Official record
Conditions
Sleep Deprivation, Obesity
Interventions
Partial Sleep Restriction, Total Sleep Deprivation, Habitual Sleep
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 49 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Sep 23, 2026, 7:03 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Real-World Use of an iPad-Based Light Therapy App, With Optional Biomarker Collection

NCT07744711
View directory record Official record
Conditions
Circadian Rhythms
Interventions
Circadian OS iPad-based light app
Device
Lead sponsor
Circadian OS, Inc
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Sleep Restriction in Women

NCT02835261
View directory record Official record
Conditions
Sleep, Cardiovascular Disease, Obesity
Interventions
Sleep Restriction
Other
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 75 Years · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Phase 2 Interventional Results available

Effect of Desipramine on Upper Airway Collapsibility and Genioglossus Muscle Activity in Patients With Obstructive Sleep Apnea - Study B

NCT02436031
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Desipramine, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Sep 23, 2026, 7:03 PM EDT
Completed No phase listed Observational

Determinants of Early Cystic Fibrosis Lung Disease

NCT03579173
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Sep 23, 2026, 7:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Inferior Turbinate Reduction in Pediatric Population Failing Surgery for Sleep Disordered Breathing

NCT00936494
View directory record Official record
Conditions
Sleep Related Breathing Disorder, Upper Airway Resistance Syndrome, Obstructive Sleep Apnea
Interventions
Cold ablation inferior turbinate reduction
Procedure
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Up to 18 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Sep 23, 2026, 7:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Changes in 24-hour Activity Cycle Behaviors During a Time-Restricted Eating Intervention in College-Aged Women

NCT07520786
View directory record Official record
Conditions
Sleep Quality, Compliance, Physical Activity, Sedentary Behaviors, Sleep Duration
Interventions
Time Restricted Eating, Control
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers Results available

Body Weight, Sleep, and Heart Health

NCT03388788
View directory record Official record
Conditions
Cardiovascular Risk Factor, Circadian Dysregulation, Obesity
Interventions
Positron Emission Tomography (PET) scanning of cardiac function at 3 time points across the 24 hour circadian cycle
Combination Product
Lead sponsor
Oregon Health and Science University
Other
Eligibility
25 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Sleep Restriction on Performance in Adults

NCT02960776
View directory record Official record
Conditions
Sleep, Obesity, Sleep Restriction
Interventions
Sleep Restriction (SR)
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 23, 2026, 7:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normative Database and Test-Retest Reliability for BrainCheck Assessments

NCT05497427
View directory record Official record
Conditions
Cognitive Change, Cognitive Decline, Cognitive Deterioration, Neurocognitive Deficit
Interventions
BrainCheck Assessment
Device
Lead sponsor
BrainCheck, Inc.
Other
Eligibility
50 Years and older
Enrollment
1,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
5
States / cities
Palo Alto, California • Multiple Locations, Connecticut • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Sep 23, 2026, 7:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pathways Linking Reduced Sleep Duration and Quality to Obesity Risk

NCT00915707
View directory record Official record
Conditions
Obesity, Diabetes
Interventions
Baseline, Sleep restriction, Reduced Sleep Quality
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 30 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Sep 23, 2026, 7:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Circulating and Tissue-specific Lipids on Vascular Function and Insulin Sensitivity in Chronic Night Shift Workers

NCT06550115
View directory record Official record
Conditions
Circadian Rhythm Sleep Disorder of Shift Work Type, Metabolic Disease, Insulin Sensitivity, Blood Pressure
Interventions
Time-restricted eating, Control eating
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 23, 2026, 7:03 PM EDT