Bad Night's sleep could trigger heart flutters, study suggests
NCT ID NCT07220525
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether a night of disrupted sleep can lead to extra heartbeats or atrial fibrillation the next day. Researchers will ask 100 adults with sleep apnea to either use or not use their sleep device on different nights, then monitor their heart rhythms. The goal is to understand the short-term link between poor sleep and heart rhythm issues.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Hypoglossal nerve stimulation (HGNS) device
- What this could lead to
- If successful, this study could help understand how poor sleep triggers heart rhythm problems, potentially guiding better management for people with sleep apnea.
- What could go wrong
- This is a small, early-stage observational study with only 100 participants, so results may not apply to everyone. It does not test a new treatment, only measures effects.
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
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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
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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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
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21 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Are age 21 years or older * Have a HGNS device implanted for obstructive sleep apnea and followed up at UCSF Health * Are willing to abstain from using the upper airway stimulation device for no more than two consecutive days as instructed over the 14-day trial period * Able and willing to provide written informed consent Exclusion Criteria: * Currently pregnant or trying to get pregnant * Are currently taking class 1 or 3 anti-arrhythmic medications * Have a history of permanent AF or expected to have continuous AF throughout the study period * Have congenital heart disease * Ventricular pacing \>40% * Are unable to read or sign to provide informed consent
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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UCSF Medical Center at Parnassus
RECRUITINGSan Francisco, California, 94143, United States
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- Can software read sleep studies as well as a specialist?