This site became the new on June 19th. Learn more.
Show more Menu IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu
Give us feedback

Individual Differences in Diabetes Risk: Role of Slow WaveSleep

This study has been completed.
Information provided by (Responsible Party):
University of Chicago Identifier:
First received: October 1, 2009
Last updated: September 4, 2013
Last verified: September 2013
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 Intervention
Sleep Diabetes Behavioral: baseline study

Study Type: Observational
Study Design: Observational Model: Cohort
Official Title: Ancillary Studies to Major Ongoing NIDDK Clinical Research Studies

Further study details as provided by University of Chicago:

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

Biospecimen Retention:   Samples Without DNA

Enrollment: 5
Study Start Date: November 2008
Study Completion Date: September 2010
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
normal healthy men and women
Behavioral: baseline study
normal bedtimes


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
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: 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
  More Information

Responsible Party: University of Chicago Identifier: NCT00989378     History of Changes
Other Study ID Numbers: 16026A
Study First Received: October 1, 2009
Last Updated: September 4, 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 processed this record on August 18, 2017