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Can your smartwatch detect teeth grinding at night?

NCT ID NCT07453121

Knowledge-focused Sponsor: Cappadocia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 used smartwatches to compare sleep stages and total sleep time between 62 adults with sleep bruxism (teeth grinding) and healthy controls. Participants wore a smartwatch for 7 nights to collect sleep data. The goal was to see if smartwatches can help monitor sleep bruxism more easily over time.

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 could lead to easier, long-term monitoring of sleep bruxism using smartwatches, helping doctors assess treatment effects.
What could go wrong
This is a small pilot study with only 62 participants, so results may not apply to everyone. Smartwatch sleep data is less precise than lab-based sleep tests.

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

62 people

The number who actually took part.

Started

Jan 2025

Finished

Jan 2026

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

The study population will consist of two distinct groups: individuals diagnosed with sleep bruxism and healthy controls, both aged between 18 and 50 years. Participants with sleep bruxism will be recruited from the Oral and Maxillofacial Clinic of Cappadocia University, who have received a definitive diagnosis of sleep bruxism. Healthy control participants, without a history of sleep bruxism or any other sleep disorder, will be recruited from the general community via \[e.g., local advertisements, university staff/students, hospital staff\]. Both groups will be selected based on specific inclusion and exclusion criteria to ensure homogeneity within groups and to facilitate a clear comparison of sleep stages and total sleep duration using smartwatch data.

Ages

18 to 50 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: * • Age 18-50 years. * Complete natural dentition (excluding third molars). * Willingness to wear a smartwatch for 7 consecutive nights. Exclusion Criteria: * • High risk of Obstructive Sleep Apnea (OSA): Candidates with a STOP-Bang questionnaire score ≥3 or Body Mass Index (BMI) \>30 kg/m² were excluded. This was a critical step to ensure that any observed sleep fragmentation was not attributed to respiratory events \[21\]. * Systemic and Psychiatric Conditions: History of neurological disorders, psychiatric diagnosis, or systemic diseases (e.g., diabetes, hypertension, gastroesophageal reflux disease) that could alter sleep physiology. * Medication Use: Current use of medications affecting the central nervous system or sleep architecture (e.g., antidepressants, sedatives, muscle relaxants). * Lifestyle Factors: Excessive alcohol/caffeine consumption, shift work, or irregular sleep-wake schedules. * Acute Pain: Presence of acute temporomandibular disorder (TMD) symptoms (e.g., painful restriction) to avoid pain-related sleep disturbances.

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Conditions

The condition(s) this trial relates to.

bruxism parasomnia, sleep bruxism type Sleep Bruxism

As listed by the trial registrant

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

Bruxism, sleep-related

Contacts and locations

Locations

  • Cappadocia University Faculty of Dentistry

    Nevşehir, Nevşehir Province, 50040, Turkey (Türkiye)

More trials for these conditions

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