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Recruiting NCT04804124

NCT04804124 Sleep Duration and Cardiovascular Health

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Clinical Trial Summary
NCT ID NCT04804124
Status Recruiting
Phase
Sponsor Oregon Health and Science University
Condition Sleep
Study Type INTERVENTIONAL
Enrollment 24 participants
Start Date 2021-06-09
Primary Completion 2026-03-15

Eligibility & Interventions

Sex All sexes
Min Age 25 Years
Max Age 65 Years
Study Type INTERVENTIONAL
Interventions
Regularized Sleep Schedule

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 24 participants in total. It began in 2021-06-09 with a primary completion date of 2026-03-15.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This is a cross-sectional study with an optional intervention that will examine how extreme sleep durations relate to cardiovascular health, physical activity, and sleep quality by studying three groups of participants: short sleepers (≤ 6 hrs), long sleepers (≥ 9 hrs), and average duration sleepers (7-8 hrs). The optional intervention asks participants to maintain an 8-hour per night regular sleep schedule for one week.

Eligibility Criteria

Inclusion Criteria: * Men and women ages 25-65y * Lean and overweight (BMI 18.5-40 kg/m2) * No acute, chronic, or debilitating medical conditions * No prescription/non-prescription medications or drugs of abuse * Current non-smoker (tobacco and marijuana) * Persons who fit all the above criteria and are suitable based on a medical history and health habits questionnaire, and additional sleep and health profiling questionnaires may be eligible to participate. Exclusion Criteria: * Persons with any acute, chronic, or debilitating medical condition except pre-hypertension will be excluded. * Persons with any symptoms of acute or active illness (e.g. fever, leukocytosis) will be excluded. * Persons with a history of severe psychiatric illness or psychiatric disorders will be excluded. * Persons with a history of regular night/or rotating shift work in the past year, or who have traveled more than three time zones during the one month prior to the study will be excluded. * Pregnant women, decisionally impaired adults, and prisoners will be excluded.

Contact & Investigator

Central Contact

Nicole Chaudhary, MPH

✉ burkeni@ohsu.edu

📞 5034942064

Principal Investigator

Saurabh S Thosar, PhD

PRINCIPAL INVESTIGATOR

Oregon Health and Science University

Frequently Asked Questions

Who can join the NCT04804124 clinical trial?

This trial is open to participants of all sexes, aged 25 Years or older, up to 65 Years, studying Sleep. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04804124 currently recruiting?

Yes, NCT04804124 is actively recruiting participants. Contact the research team at burkeni@ohsu.edu for enrollment information.

Where is the NCT04804124 trial being conducted?

This trial is being conducted at Portland, United States.

Who is sponsoring the NCT04804124 clinical trial?

NCT04804124 is sponsored by Oregon Health and Science University. The principal investigator is Saurabh S Thosar, PhD at Oregon Health and Science University. The trial plans to enroll 24 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology