What this study is
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.
What's being tested
- Regularized Sleep Schedule
Intervention · BEHAVIORAL
Participants may maintain a self-selected 8-hour per night sleep schedule as an optional intervention. Participants from any of the three groups may complete the intervention.
Study details
- Sponsor
- Oregon Health and Science University
- Conditions
- Sleep · Cardiovascular Risk Factor
- Enrolling
- 24 people
- Starts
- 2021-06-09
- Est. completion
- 2027-09-15
- Design
- Open-label, non-randomized, parallel groups
- Record
- View on ClinicalTrials.gov ↗
Who can join
Age 25 Years – 65 YearsSex ALLHealthy volunteers AcceptedYou may qualify if
- 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.
You can't join if
- 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.
Sign in and we'll check these against your records.Full criteria on ClinicalTrials.gov ↗
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Study locations (1)
1 openOregon Health and Science University
Portland, Oregon, United States
- Saurabh S Thosar, PhD · Contact503-494-2064clinphys@ohsu.edu
- Saurabh S Thosar, PhD · Principal investigator
Recruiting
Study team
Sponsor
Oregon Health and Science University
Study ID 00021448
Principal investigator
Saurabh S Thosar, PhD
Oregon Health and Science University
Frequently asked questions
The sponsor hasn't published answers to common questions for this trial.