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Extended Work Schedules, Sleep Loss and Health

Not Applicable
Completed
Conditions
Sleep
Registration Number
NCT00989534
Lead Sponsor
University of Chicago
Brief Summary

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

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
49
Inclusion Criteria
  • 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
Exclusion Criteria
  • 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

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

The University of Chicago

🇺🇸

Chicago, Illinois, United States

The University of Chicago
🇺🇸Chicago, Illinois, United States

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