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Cool your head, sleep better? new study tests a pillow pad for Weight-Related sleep problems

NCT ID NCT05849181

Symptom relief Sponsor: University of Chicago 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
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026

Summary

This study tested whether a special cooling pillow pad called Moona can help African American adults with overweight or obesity sleep better. 18 participants used either the active cooling pad or an inactive version for 22 days. Researchers measured sleep quality, timing, and blood sugar control to see if the device made a difference.

What this could mean

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

Active substance
Moona Device (cooling pillow pad)
What this could lead to
If it works, this could point toward a simple, non-drug way to improve sleep and metabolism in people with overweight or obesity.
What could go wrong
This is a very small pilot study with only 18 participants, so results may not apply to everyone. The device is not a treatment for obesity itself.

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

18 people

The number who actually took part.

Started

Mar 2024

Finished

Aug 2025

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 50 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * African American men and women * Aged 21-50 years * BMI ≥ 27 to 45 kg/m2 * Self-report of short or poor sleepers (\>5 \< 7hrs /night and/or a score \> 5 on the PSQI), * Sleeping between 22:00 and 08:00. * Ability to provide informed consent before any trial-related activities * Controlled hypertension or dyslipidemia. Exclusion Criteria: * Previous diagnosis or reveled during the screening PSG (Polysomnography) of obstructive sleep apnea (AHI≥30) or other sleep disorders based on DSM-V (Diagnostic and Statistical Manual of Mental Disorders, fifth edition) criteria. * Shift work * Diagnosis of diabetes based on history or screening tests * History of cognitive or other neurological disorders * History of major psychiatric disorder based on DSM-V criteria * Presence of unstable or serious medical conditions * Use within the past month of melatonin, psychoactive, hypnotic, stimulant or pain medications (except occasionally) * Caffeine consumption of greater than 500 mg per day * Medically managed weight loss program within the past 6 months * History of bariatric weight loss surgery. * Women who are pregnant, plan on becoming pregnant, are breastfeeding, * Men or women who have a child at home that does not sleep through the night. * Active drug/alcohol dependence or abuse

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

Overweight or obesity

Contacts and locations

Locations

  • University of Chicago

    Chicago, Illinois, 60637, United States

More trials for these conditions

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