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Sleep loss may hit Women's blood sugar harder than Men's

NCT ID NCT06809023

Knowledge-focused Sponsor: Brigham and Women's Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether not getting enough sleep affects blood sugar control differently in healthy men and women. Researchers will ask 32 adults to sleep only 4 hours a night for three nights and then measure their blood sugar and hormone responses after a meal. The goal is to understand if women are more sensitive to the metabolic effects of sleep loss.

What this could mean

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

What this could lead to
If successful, this study could reveal why women and men respond differently to sleep loss, pointing toward personalized advice for preventing metabolic issues.
What could go wrong
This is a small, early-stage observational study with only 32 participants. Results may not apply to everyone, and it does not test any treatment.

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

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

About 32 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Feb 2029

An estimate. End dates often move.

Lead sponsor

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

20 to 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Healthy adults with conventional sleep-wake timing * Non-smokers * Completion of medical, psychological, and sleep screening tests * Able to spend 5 consecutive days/nights in the laboratory on two separate occasions (total of 10 days/nights in the laboratory) * Women must have a recent history of regular menstrual cycles Exclusion Criteria: * History of neurological or psychiatric disorder * History of sleep disorder or regular use of sleep-promoting medication * Current prescription, herbal, or over-the-counter medication use including hormonal birth control * Traveling across 2 or more time zones within past 3 months * Donating blood within past 8 weeks * Worked night or rotating shift work within past year * Hearing impairment, visual impairment * History of eye trauma or surgery * Drug or alcohol dependency

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Conditions

The condition(s) this trial relates to.

glucose intolerance Sleep Deprivation

As listed by the trial registrant

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

Glucose tolerance Sex differences Sleep deprivation

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02115, United States

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