Mouth taping for sleep apnea: simple trick or risky move?

NCT ID NCT06547658

Completed Knowledge-focused Sponsor: Brigham and Women's Hospital Source: ClinicalTrials.gov ↗

First seen Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study investigates whether closing the mouth during sleep improves or worsens breathing in people with obstructive sleep apnea. Researchers use drug-induced sleep endoscopy to measure airflow through the nose and mouth separately, then briefly close the mouth every other breath. The goal is to understand which patients might benefit from mouth closure and which might rely on mouth breathing to bypass a blocked nose.

What this could mean

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

Active substance: mouth closure (mechanical pressure on chin to keep mouth shut during sleep)
What this could lead to: If mouth closure helps some patients, it could point toward a simple, non-invasive way to improve breathing during sleep for certain people with sleep apnea.
What could go wrong: This is a small, early-stage observational study, not a treatment trial. Mouth closure might not help everyone and could even worsen airflow in some patients who rely on mouth breathing to bypass nasal blockages.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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