Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
University of Chicago
Age
18–29
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
* age 18 to 29 years,
* normal weight or modestly overweight (BMI ≤ 27 kg/m2 for women, BMI ≤ 28 kg/m2 for men),
* normal findings on clinical examination, normal routine laboratory tests results, normal EKG, no history of psychiatric, endocrine, cardiac or sleep disorders.
Only subjects who have regular life styles (no shift work, no travel across time zone during the past 4 weeks), habitual bedtimes between 7.0-8.5 hours, and do not take medications will be recruited.
An overnight polysomnography will be performed to rule out sleep-disordered breathing (apnea-hypopnea index \> 5/hour) and periodic limb movement disorder (PLM arousal index \>1/hour).
Women taking hormonal contraceptive therapy and pregnant women will be excluded. In women, all studies will be initiated in the early follicular phase.
You may not be if
Tobacco use.
Habitual alcohol use of more than 2 1 drink per day.
Excessive caffeine intake of more than 300 mg per day and individuals with a metal implant or another metal object in their body.
We estimate that we will need to recruit at least 60-70 individuals to obtain two gender-matched groups of 16 individuals with either low or high SWA.
