Sleep therapy may cut diabetes risk in prediabetes patients
NCT ID NCT06067139
First seen Jun 25, 2026 · Last updated Sep 11, 2026 · Updated 2 times
Summary
This study tests whether cognitive behavioral therapy for insomnia (CBT-I) can help lower blood sugar levels in people with prediabetes. About 300 adults with both prediabetes and insomnia will receive either CBT-I or a patient education program. The main goal is to see if improving sleep leads to better glucose control and reduced 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
- cognitive behavioral therapy for insomnia (CBT-I)
- What this could lead to
- If it works, this could point toward a non-drug way to lower diabetes risk by improving sleep in people with prediabetes.
- What could go wrong
- This is a relatively small trial (300 people) testing a behavioral intervention, so results may not apply to everyone. The effect on blood sugar may be modest or not clinically significant.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2023
- Expected to finish
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Dec 2027
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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22 to 79 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: * Age ≥ 22 years and \< 80 years of age * Prediabetes * Insomnia * Regular access to device with internet access * Adequate data at baseline Exclusion Criteria: * BMI \> 40 kg/m2 * Sleep comorbidities detected in medical record or via medical history * Shift work or significant, externally imposed irregular sleep schedule * moderate to severe OSA by home sleep apnea test as part of trial protocol * Received a full course of CBT-I in the last 12 months * Current use of medication with glycemic effects: * History of type 1 or type 2 diabetes or recent/planned use of hypoglycemic agents (e.g., metformin, insulin) * Recent history of bariatric surgery or planning bariatric surgery in the next year * Current or recent use of weight loss meds * Unstable sleep medication regimen (recent change to schedule or dosage) * Significant comorbidity that may interfere with CBT-I uptake or increase risks * Unwilling or unable to limit heavy machinery use/long bouts of driving or unstable illness that would be worsened by sleep restriction * High risk of falls * Epilepsy * Medical conditions that interfere with dCBT-I or contribute to insomnia or diabetes risk (e.g., hyperthyroidism, significant kidney disease, active cancer treatment, any medical condition that requires chronic steroid use) * Significant alcohol or substance use disorder * Active or recent history of eating disorder, recent weight change of \>10% * Women: pregnancy (current or planned), breastfeeding, \< 1 year postpartum * Use of hydroxyurea * Extensive skin changes or adhesive allergy making CGM sensor use problematic
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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.
Contacts and locations
Locations
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Kaiser Permanente Center for Health Research
Portland, Oregon, 97227, United States
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