Individual Differences in Diabetes Risk: Role of Slow WaveSleep

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00989378
Recruitment Status : Completed
First Posted : October 5, 2009
Last Update Posted : September 5, 2013
Information provided by (Responsible Party):
University of Chicago

Brief Summary:
This study will examine the relationship between the amount of slow wave sleep (deep sleep) and the ability of the body to bring the blood sugar level to a normal range after receiving glucose.

Condition or disease Intervention/treatment
Sleep Diabetes Behavioral: baseline study

Study Type : Observational
Actual Enrollment : 5 participants
Observational Model: Cohort
Official Title: Ancillary Studies to Major Ongoing NIDDK Clinical Research Studies
Study Start Date : November 2008
Actual Primary Completion Date : September 2010
Actual Study Completion Date : September 2010

Group/Cohort Intervention/treatment
normal healthy men and women
Behavioral: baseline study
normal bedtimes

Primary Outcome Measures :
  1. Amount of Slow Wave Activity determines insulin sensitivity. [ Time Frame: 2 days ]

Biospecimen Retention:   Samples Without DNA

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 20 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
normal healthy men and women

Inclusion Criteria:

  • healthy volunteers age 18-20 with a BMI < 27kg/m2 in women and < 28 kg/m2 in men with normal findings on clinical examination, routine laboratory tests and EKG
  • only subjects who have regular life styles (no shift work, no travel across time zone during the previous 4 weeks)
  • habitual bedtimes between 7.0-8.5 hours/night
  • do not take medications will be recruited

Exclusion Criteria:

  • women taking hormonal contraceptive therapy and pregnant women will be excluded
  • individuals with a history of psychiatric, endocrine, cardiac or sleep disorders will be excluded
  • other exclusion criteria will be: tobacco use, habitual alcohol use of more than 1 drink per day, excessive caffeine intake of more than 300 mg per day

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00989378

United States, Illinois
University of Chicago
Chicago, Illinois, United States, 60637
Sponsors and Collaborators
University of Chicago
Principal Investigator: Eve Van Cauter, Ph.D. University of Chicago

Responsible Party: University of Chicago Identifier: NCT00989378     History of Changes
Other Study ID Numbers: 16026A
First Posted: October 5, 2009    Key Record Dates
Last Update Posted: September 5, 2013
Last Verified: September 2013

Keywords provided by University of Chicago:
determine association between sleep characteristics and diabetes risk

Additional relevant MeSH terms:
Diabetes Mellitus
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases