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Sleep Duration and Cardiovascular Health

Oregon Health and Science University · NCT04804124

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 25–65 · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
24
US sites recruiting
1
Study start
June 9, 2021
Record last updated
August 4, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

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.

Being studied: Regularized Sleep Schedule

Conditions: Sleep; Cardiovascular Risk Factor

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full 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.

Recruiting US locations

  • Oregon Health and Science University

    Portland, OR 97239

    Site contact: Saurabh S Thosar, PhD · 503-494-2064 · clinphys@ohsu.edu

Study contacts (from the official record)

  • Nicole Chaudhary, MPH · 5034942064 · burkeni@ohsu.edu
All sleep studies in Oregon →
Sleep Duration and Cardiovascular Health (NCT04804124) | Bored Studies