Sleep more, slash diabetes risk? small study tests the idea.

NCT ID NCT06128265

Completed Disease control Sponsor: University of Chicago Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study looked at whether getting more sleep or keeping a regular bedtime could improve how the body handles sugar and insulin in overweight adults who usually sleep less than 7 hours a night. Eighteen African American men and women aged 21-50 were asked to either extend their time in bed by 2 hours or stick to a consistent bedtime for 24 days. Researchers measured changes in sleep patterns and blood sugar control to see if better sleep could reduce diabetes risk.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Behavioral intervention: sleep extension or sleep regularity
What this could lead to: If it works, this could point toward a simple, non-drug way to lower diabetes risk in people who are overweight and sleep poorly.
What could go wrong: This is a very small, early study (18 people) with no control group, so results may not apply broadly. The benefits may be modest or not last long-term.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OVERWEIGHT OR OBESITY

Contacts and locations

Locations

University of Chicago

Chicago, Illinois, 60637, United States

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