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Showing 1–24 of 66 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Habitual sleep Clear all
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 9, 2026, 9:22 PM EDT
Withdrawn Not applicable Interventional

OPTI-FREE Family STUDY

NCT06592521
View directory record Official record
Conditions
Contact Lens Care
Interventions
OPTI-FREE EXPRESS MPDS and Alcon contact lens case, OPTI-FREE PureMoist MPDS and Alcon contact lens case, OPTI-FREE REPLENISH MPDS and Alcon contact lens case, Habitual contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
7 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 9, 2026, 9:22 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 9, 2026, 9:22 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 9, 2026, 9:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein Intake During GLP-1 Medication Use (in Middle-aged Women With Overweight/Obesity)

NCT07480109
View directory record Official record
Conditions
Obesity, Women (Between 30 to 60 Years Old)
Interventions
Protein Rich Foods
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
30 Years to 60 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Influence of Sleep on Cardiovascular Outcomes

NCT06535178
View directory record Official record
Conditions
Circadian Rhythm, Cardiometabolic Health, Vascular Health, Pain
Interventions
Sleep Regularity Group
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Motor Training in PD

NCT02457832
View directory record Official record
Conditions
Parkinson Disease
Interventions
Adapted Tango Dancing, Behavioral Control (BC) Condition
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 70 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Examining the Longitudinal Relationship Between Sleep and Weight Gain in College Students

NCT04100967
View directory record Official record
Conditions
Healthy, Overweight
Interventions
Not listed
Lead sponsor
Oakland University
Other
Eligibility
17 Years to 22 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Rochester, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Adaptions and Resiliency to Multi-Stressor OpeRations

NCT06455969
View directory record Official record
Conditions
Musculoskeletal Injury, Hypogonadism, Hormonal Contraception
Interventions
Goserelin 3.6 MG, Multi-Stressor Training, Testosterone gel (AndroGel 5g), Testosterone gel (AndroGel 1.25g)
Drug · Other
Lead sponsor
Bradley Nindl
Other
Eligibility
18 Years to 40 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Sleep Extension on Ceramides in People With Overweight and Obesity

NCT06180837
View directory record Official record
Conditions
Lifestyle Factors, Overweight and Obesity, Insulin Sensitivity, Eating Habit, Sleep Hygiene, Type 2 Diabetes, Sleep, Sleep Deprivation, Insufficient Sleep Syndrome
Interventions
Sleep Extension Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Completed No phase listed Observational Results available

Comparison of Sleep Apnea Assessment Strategies to Maximize TBI Rehabilitation Participation and Outcome

NCT03033901
View directory record Official record
Conditions
Apnea, Sleep, Brain Injury, Traumatic
Interventions
Polysomnography - Level 1 and Level 3, Actigraphy monitoring, Sleep Apnea Screening
Device · Other
Lead sponsor
James A. Haley Veterans Administration Hospital
Federal
Eligibility
16 Years and older
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
6
States / cities
Englewood, Colorado • Tampa, Florida • Columbus, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Sep 9, 2026, 9:22 PM EDT
Withdrawn Not applicable Interventional

Examining the Effects of Morning and Evening Exercise on Glucose Regulation in Adults With Prediabetes

NCT06292000
View directory record Official record
Conditions
PreDiabetes, Obesity, Inactivity/Low Levels of Exercise
Interventions
AM Exercise, PM Exercise
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Withdrawn Not applicable Interventional

AOSEPT (CLEAR CARE) PLUS Study

NCT06588400
View directory record Official record
Conditions
Contact Lens Care
Interventions
AOSEPT Plus and AOCup lens case, AOSEPT Plus with HydraGlyde and AOCup lens case, Habitual contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
7 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Almonds, Gut Microbiome and Kids

NCT07636850
View directory record Official record
Conditions
Dysbiosis, Cardiometabolic Health Indicators
Interventions
Creamy Richards 100% Almonds! Creamy Natural Almond Butter, Cadbury Milk Chocolate Spread
Other
Lead sponsor
Florida State University
Other
Eligibility
6 Years to 13 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Noradrenergic Dysregulation, Sleep and Cognition in Older Adults With Insomnia

NCT06694441
View directory record Official record
Conditions
Insomnia
Interventions
Light Exposure, Placebo
Other
Lead sponsor
Northwestern University
Other
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Sleep Restriction on Adipose Tissue and Skeletal Muscle Insulin Sensitivity

NCT04286451
View directory record Official record
Conditions
Sleep Disturbance, Postmenopausal Symptoms, Insulin Sensitivity, Cardiovascular Risk Factor
Interventions
Sleep Restriction, Habitual Sleep
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exploring the Neuro-Immune Basis of Cancer-Related Fatigue Using Behavioral Measures

NCT02255773
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Computerized Tasks, Questionnaires
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Sep 9, 2026, 9:22 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

The Effects of a High Protein Breakfast on Appetite and Sleep in Young Adults

NCT03031132
View directory record Official record
Conditions
Appetite and General Nutritional Disorders
Interventions
HP-Beverage Breakfast, HP-Solid Breakfast, Breakfast Skipping
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 32 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional

Mindfulness Meditation in Treating Insomnia in Multiple Sclerosis

NCT03949296
View directory record Official record
Conditions
Insomnia Chronic, Multiple Sclerosis
Interventions
Mindfulness Intervention, Sleep Hygiene
Behavioral
Lead sponsor
Griffin Hospital
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Sep 9, 2026, 9:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Circadian Timing, Information Processing and Energy Balance Study

NCT04759755
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 60 Years
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional

Mini-treatment Experiments to Clarify How to Assist People to Habit Formation

NCT05070143
View directory record Official record
Conditions
Sleep Disorder, Circadian Dysregulation, Habit, Good Sleep
Interventions
RISE-UP Routine, Awareness Training, Vigilant Monitoring, Implementation Intentions, Values-based Approach, Brief Education
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Olfactory Decision-making and Deprived Sleep

NCT05093413
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Sleep deprivation
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Results available

Racial Differences in Circadian and Sleep Mechanisms for Nicotine Dependence, Craving, and Withdrawal

NCT03968900
View directory record Official record
Conditions
Smoking, Sleep Disturbance, Nicotine Dependence
Interventions
Sleep restriction condition, Sleep extension condition
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 9, 2026, 9:22 PM EDT