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CC BY-NC-ND 4.0 · Sleep Sci 2017; 10(03): 128-131
DOI: 10.5935/1984-0063.20170022
CASE REPORT

Lip muscle training improves obstructive sleep apnea and objective sleep: a case report

Hiroshi Suzuki
1   Nihon University School of Dentistry at Matsudo, Department of Oral Function and Rehabilitation, Matsudo, Japão
,
Mayuko Yoshimiura
1   Nihon University School of Dentistry at Matsudo, Department of Oral Function and Rehabilitation, Matsudo, Japão
,
Yoshihiro Iwata
1   Nihon University School of Dentistry at Matsudo, Department of Oral Function and Rehabilitation, Matsudo, Japão
,
Sumito Oguchi
2   Nihon University School of Dentistry at Matsudo, Department of Internal Medicine - Matsudo, Japão
,
Misao Kawara
1   Nihon University School of Dentistry at Matsudo, Department of Oral Function and Rehabilitation, Matsudo, Japão
,
Chin-Moi Chow
3   Faculty of Health Sciences, The University of Sydney, Discipline of Exercise and Sport Science - Sidney, Austrália
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ABSTRACT

The present study assessed the potential of lip muscle training for improving sleep. A patient with heavy snoring, daytime sleepiness and dry mouth underwent lip muscle training. Lip closure force LCFmax increased by 67.3% and LCFmin by 152% post-training. AHI decreased from 12.2 to 3.9 events/h by reducing hypopneic episodes. TST, sleep stage N3 and REM sleep increased, and WASO, sleep stage N1, and AI decreased. The patient switched from mouth to nose breathing during sleep and stopped snoring. Improved LCF, by moving the tongue into the anterior-superior oral cavity, may increase upper airway space and reduce the hypopnea index.

Keywords:

Myofunctional Therapy - Apnea - Mouth - Polysomnography


Publication History

Received: 16 February 2017

Accepted: 10 March 2017

Article published online:
11 October 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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