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Your smartwatch might spot sleep apnea!

NCT ID NCT06603441

Diagnosis Sponsor: Stanford University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a Samsung Galaxy Watch can reliably detect moderate to severe obstructive sleep apnea (OSA) in adults. Researchers enrolled 152 people who were at high risk or already diagnosed with OSA. The watch's readings were compared to standard sleep tests to see how accurate it is.

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.

Participants

152 people

The number who actually took part.

Started

Dec 2024

Finished

Dec 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.

Who is studied

1. Patient's visiting Stanford Hospital and Clinics 2. Digital Recruitment - online advertisement campaign

Ages

22 years and older

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: * 22 years of age or older * High pre-test likelihood of moderate to severe obstructive sleep apnea (OSA) based on screening questionnaires (STOP-Bang and Epworth Sleepiness Scale); or prior diagnosis of moderate-severe OSA. * Able to provide informed consent confirmation Exclusion Criteria: * Severe and/or other acute medical illnesses as determined by the Investigator, in particular: Cardiac conditions such as Congestive Heart Failure (CHF), atrial fibrillation, Hx of Movement disorders: Parkinson's, Tremor, Lung conditions: Chronic Obstructive Pulmonary Disease (COPD), chronic bronchitis, emphysema, pulmonary fibrosis, acute episode of flu, allergies, asthma. * Active comorbid sleep disorders, such as severe insomnia, restless legs syndrome, Periodic Leg Movement During Sleep (PLMS), narcolepsy, idiopathic hypersomnia * Severe and/or unstable psychiatric disorders such as mood, anxiety, or psychotic disorders * Individual has a condition the Investigator believes would interfere with his or her ability to provide informed consent, comply with the study protocol, which might confound the interpretation of the study results or put the person at undue risk * Inability to use a Samsung Galaxy device for sleep tracking * Inability to have two nights in the Stanford sleep lab. * Participants who are pregnant * Tattoos or scars covering the forearm area of both hands

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome

As listed by the trial registrant

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

Obstructive sleep apnea of adult

Contacts and locations

Locations

  • Stanford University

    Palo Alto, California, 94305, United States

More trials for these conditions

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