Sleep your way to lower blood sugar: study tests personalized sleep extension to prevent diabetes
NCT ID NCT03398902
First seen Jun 25, 2026 · Last updated Jun 25, 2026
Summary
This study tested whether helping adults with pre-diabetes get more sleep could improve their blood sugar control and lower their risk of developing type 2 diabetes. Researchers enrolled 150 people who slept less than 6.5 hours per night and had pre-diabetes. Half were coached to gradually extend their sleep over 8 weeks, while the other half kept their usual sleep habits. The study used continuous glucose monitors to track blood sugar levels before and after the intervention.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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NYU Langone
New York, New York, 10010, United States
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
sleep extension (behavioural intervention based on CBTI principles)
What this could lead to
If successful, this approach could offer a simple, drug-free way to lower blood sugar and reduce the risk of developing type 2 diabetes in people with pre-diabetes.
What could go wrong
This is a small, early-stage study with only 150 participants. The intervention is behavioural, so results may vary widely between individuals, and long-term benefits are not yet proven.
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.