Extended Work Schedules, Sleep Loss and Health

Completed · Not applicable

Conditions studied: Sleep

In brief

This study aims to determine whether abnormal bodily rhythms contribute to elevate the risk of diabetes, independently of the amount of sleep loss.

Key facts

Study ID

NCT00989534

Run by

University of Chicago

People needed

49

Starts

2003-01-01

Expected to finish

2009-09-01

Last updated by the study team

2016-10-03

Who can join

Age: 21 and older, up to 39. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• normal healthy men and women between the ages of 21 years and 39 years (inclusive) with normal weight (i.e., body mass index under 28 kg/m2 in men, 27 kg/m2 in women)
• normal findings on clinical examination, normal results on routine laboratory tests, normal EKG, normal glucose tolerance test, negative pregnancy test for women
• no personal history of psychiatric or endocrine illness
• no personal history of sleep disorder, usual total sleep time of at least 7 hours
• only female volunteers with normal ovulatory cycles will be included

You may not qualify if…

• subjects with irregular life habits (shiftworkers and subjects having traveled across time zones less than one month prior to the beginning of the baseline study)
• subjects taking any medication (including hormonal contraceptive therapy), and smokers are excluded
• subjects with significant sleep apnea (apnea index above 10) or significant arousal-associated periodic leg movements are excluded

Where it is running

• The University of Chicago — Chicago, Illinois, United States

Full record on ClinicalTrials.gov

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