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Women's hormones may make alcohol wreck sleep more than men

NCT ID NCT06143059

Knowledge-focused Sponsor: Lauren Whitehurst 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
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how alcohol disrupts sleep in women versus men, and whether menstrual cycle phase plays a role. Healthy adults aged 21-45 who drink regularly will have their sleep monitored in a lab after receiving alcohol or a placebo. The goal is to understand if female sex hormones make women more sensitive to alcohol's sleep-disrupting effects.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 130 people

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

Started

Jan 2024

Expected to finish

Nov 2028

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

21 to 45 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: * 21-45 years old * At least a high school education * Fluency in English * Report drinking at least twice per week and at least weekly binge episodes (4/5+ drinks for women/men in a 2-hour period) * Regular ovulatory menstrual cycles (21-35 days in length) for women Exclusion Criteria: * Any serious medical problems (e.g., liver disease, cardiac abnormality/arrhythmia, pancreatitis, diabetes, neurological problems, gastrointestinal disorders, hypertension, and congestive heart failure) * Any clinical sleep disorder, including insomnia and obstructive sleep apnea (OSA) * Any psychiatric condition that could affect sleep/wake cycles (including major depression, generalized anxiety disorder, bipolar disorder, and post-traumatic stress disorder) * Any medication use that is likely to affect sleep/wake function or cardiovascular functioning (including antidepressants, anxiolytic or soporific medication, and beta-blockers) * Taking medication for which alcohol consumption is contraindicated * Substance use disorder other than mild or moderate alcohol use disorder * Positive urine screen for illegal drugs other than cannabis * Currently seeking or past-12-month history of inpatient or intensive treatment for addictive behaviors * Pregnancy, nursing or planning to become pregnant in the next 3 months for women * Use of hormonal contraception or planning to begin use of hormonal contraception in the next 3 months for women * Reports smoking \> 5 cigarettes per day (to avoid acute nicotine effects or withdrawal during experimental sessions) * Has flushing response to alcohol * Works the night shift

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Conditions

The condition(s) this trial relates to.

alcohol abuse

As listed by the trial registrant

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

Alcohol use disorder

How to take part

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  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

  • University of Kentucky

    Lexington, Kentucky, 40508, United States

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Other studies related to the condition(s) this trial covers.