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Wearable watch could replace saliva tests for sleep disorders

NCT ID NCT07336654

Knowledge-focused Sponsor: ResMed 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 will test a new wearable device that monitors your body's internal clock (circadian rhythm) by tracking signals like heart rate and movement. Researchers will compare the device's readings to standard saliva tests in 30 adults who are either healthy, have sleep apnea, or have insomnia. The goal is to see if the wearable can accurately estimate your circadian phase without needing lab visits.

What this could mean

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

Active substance
myCircadian wearable device
What this could lead to
If successful, this device could offer a simple, non-invasive way to monitor circadian rhythms at home, potentially improving sleep disorder management.
What could go wrong
This is a small, early feasibility study with only 30 participants. The device may not be accurate enough, and results may not apply to broader populations.

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 30 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

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: * Adults ≥18 years at screening. * Able and willing to provide written informed consent. * Belonging to one of three strata: (a) healthy controls without diagnosed sleep disorder, (b) patients with physician-diagnosed OSA, or (c) patients with physician-diagnosed insomnia (based on DSM-5/AASM criteria and ISI ≥15) * Capable of using a smartphone for app-based data syncing. * Willing to comply with study visits, wearable use, and saliva sampling. Exclusion Criteria: * • Dermatologic conditions preventing wearable use. * Significant psychiatric or neurologic illness that may impair compliance. * Shift work or trans-meridian travel within 2 weeks prior. * Currently pregnant * Use of medications known to significantly alter circadian rhythm (e.g., exogenous melatonin, beta-blockers).

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder insomnia obstructive sleep apnea syndrome

As listed by the trial registrant

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

Circadian rhythm

How to take part

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

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

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