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Could tiny exercise bursts improve sleep apnea symptoms?

NCT ID NCT07634029

Symptom relief Sponsor: Istanbul University - Cerrahpasa 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study compares two exercise approaches—short 'exercise snacks' spread throughout the day versus traditional aerobic exercise—in adults with moderate to severe obstructive sleep apnea. Researchers will measure sleep quality, daytime sleepiness, and physical function over 8 weeks. The goal is to see if brief, frequent exercise can be an effective alternative for improving health in people with sleep apnea.

What this could mean

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

Active substance
exercise snacks and aerobic exercise
What this could lead to
If it works, this could offer a more convenient exercise option for people with sleep apnea to improve sleep quality and daily function.
What could go wrong
This is a small, early-stage trial with only 39 participants, so results may not apply widely. Exercise interventions may not show clear benefits over standard care.

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 39 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Feb 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

30 to 65 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: * Individuals diagnosed with OSAHS (AHI ≥ 15) confirmed by polysomnography, with moderate or severe disease, who have been receiving CPAP therapy for at least 3 months. * Adults aged 30-65 years. * No participation in any regular exercise program within the last 6 months. Exclusion Criteria: * Individuals with OSAHS and a body mass index (BMI) \> 35 kg/m² * Severe chronic pulmonary disease * Neurological or musculoskeletal disorders that prevent exercise * Unstable cardiovascular conditions * Unstable metabolic conditions * Severe psychiatric disorders such as bipolar disorder or schizophrenia * Pregnancy or breastfeeding * Individuals working night shifts or with schedules that may cause jet lag * Use of steroid or hormone therapy * Use of melatonin or sleep-regulating medications within the last 3 months * Presence of acute infection or inflammation

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder Motor Activity obstructive sleep apnea syndrome sleep disorder

As listed by the trial registrant

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

Circadian rhythm Exercise snacks Obstructive sleep apnea (OSA) Physical activity Sleep

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. 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.

Contacts and locations

Locations

  • Istanbul University-Cerrahpaşa, Department of Physiotherapy and Rehabilitation, Istanbul, Türkiye

    Istanbul, Turkey (Türkiye)

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