Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
For general information about clinical research, read Learn About Studies.
Eligibility Criteria
- * African American men and women
- * Aged 21-50 years
- * BMI ≥ 27 to 45 kg/m2
- * Self-report of short or poor sleepers (\>5 \< 7hrs /night and/or a score \> 5 on the PSQI),
- * Sleeping between 22:00 and 08:00.
- * Ability to provide informed consent before any trial-related activities
- * Controlled hypertension or dyslipidemia.
- * Previous diagnosis or reveled during the screening PSG (Polysomnography) of obstructive sleep apnea (AHI≥30) or other sleep disorders based on DSM-V (Diagnostic and Statistical Manual of Mental Disorders, fifth edition) criteria.
- * Shift work
- * Diagnosis of diabetes based on history or screening tests
- * History of cognitive or other neurological disorders
- * History of major psychiatric disorder based on DSM-V criteria
- * Presence of unstable or serious medical conditions
- * Use within the past month of melatonin, psychoactive, hypnotic, stimulant or pain medications (except occasionally)
- * Caffeine consumption of greater than 500 mg per day
- * Medically managed weight loss program within the past 6 months
- * History of bariatric weight loss surgery.
- * Women who are pregnant, plan on becoming pregnant, are breastfeeding,
- * Men or women who have a child at home that does not sleep through the night.
- * Active drug/alcohol dependence or abuse
Ages Eligible for Study
21 Years to 50 Years
Sexes Eligible for Study
ALL
Accepts Healthy Volunteers
No