Home Sleep and Circadian Phase: Mediators of Diabetes Risk

Completed

Conditions studied: Sleep Deprivation, Diabetes, Circadian Dysregulation

In brief

The purpose of this study is to determine if deficient sleep and/or disruption with the body's internal clock ("circadian rhythms") are associated with diabetes risk. This study is being done to look at the possible relationships between sleep and risk of diabetes by examining sleep in the home and diabetes risk in the laboratory.

Key facts

Study ID

NCT01786564

Run by

Northwestern University

People needed

120

Starts

2011-12-06

Expected to finish

2019-09-30

Last updated by the study team

2020-11-27

Who can join

Age: 21 and older, up to 50. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Ages 21-50 years
• BMI <40 kg/m2.
• No major illness.
• No history of psychiatric, endocrine, cardiac or sleep disorders,
• Premenopausal, non-pregnant women.
• Those with dyslipidemia and hypertension will be included if these conditions are controlled by a stable treatment, such as lipid-lowering or antihypertensive medications (except beta blockers).
• Exclusion criteria include:
• Persons with diabetes.
• Persons with diagnosed sleep disorders or apnea-hypopnea index>15.
• History of cardiovascular event or disease (excluding controlled hypertension).
• Major psychiatric disorder or other major illness.
• Persons taking medications, including but not limited to antidepressants and hypnotics (but excluding lipid-lowering drugs and anti-hypertensive medications as mentioned above).
• Persons regularly taking medication that affects melatonin such as beta blockers and exogenous melatonin.
• Anyone who tests positive for common drugs of abuse.
• People with color blindness.
• People who have had Lasik eye surgery.
• People who work night shifts.
• Participants who travel across multiple time zones will be studied only after they have remained in the Central Time Zone (or Indiana) for one month prior to the study.

Where it is running

• Northwestern University — Chicago, Illinois, United States

Full record on ClinicalTrials.gov

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