Can fixing your sleep help your heart and blood sugar? new study investigates
NCT ID NCT06624046
First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times
Summary
This study looks at how improving sleep regularity might help control blood sugar and reduce heart disease risk in adults with type 1 diabetes. Researchers will monitor 100 participants' sleep, blood sugar, and heart health markers. The goal is to understand the body clock's role in these effects.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Aug 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 50 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults 18-50 years with a clinical diagnosis of T1D for at least one year * Report habitual sleep irregularity ≥1 hour/week * Desire to improve sleep, and own a smartphone (Android or iPhone) Exclusion Criteria: * Self-reported A1C within the past 6 months ≥10% * insomnia symptoms defined as Insomnia Severity Index score ≥15 * history of restless leg syndrome * history of severe hypoglycemia (defined as hypoglycemic episode that results in loss of consciousness, seizure, or requiring emergency room visit or hospitalization) within the past 6 months * rotating shift or night work or routinely sleeping after 3 AM. * use of sleep medications/aids, significant medical comorbidities (such as heart failure, cirrhosis, chronic obstructive pulmonary disease requiring oxygen, active treatment for cancer, on renal replacement therapy \[dialysis\]) * depression (Patient Health Questionnaire 8 \[PHQ-8\] score ≥15) * history of stroke with neurological deficits * pregnant, breast feeding, or planning pregnancy, as sleep and glucose are known to change during pregnancy and breastfeeding. * Allergy to lidocaine Participants who passed the first screen by phone will be scheduled for a consenting visit at UIC
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Illinois Chicago
RECRUITINGChicago, Illinois, 60612, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a bedtime snack tame overnight blood sugar swings in kids with diabetes?
- Can Open-Source insulin systems match commercial ones without meal announcements?
- A glucose Monitor's second chance: can it tame type 1 diabetes in High-Risk teens?
- AI takes the wheel: could a smart algorithm optimize insulin pumps from home?