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The Relationship between Simple Snoring and Sleep Bruxism: A Polysomnographic Study
Monika Michalek-Zrabkowska1, Mieszko Wieckiewicz2, Piotr Macek1
1Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland.
International Journal of Environmental Research and Public Health
|December 5, 2020
Summary
Simple snoring and sleep bruxism (SB) are linked. This study found that increased sleep bruxism intensity correlates with louder snoring, especially in the supine position.
Area of Science:
- Sleep Medicine
- Otolaryngology
- Neurology
Background:
- Simple snoring produces sound during sleep without other pathologies.
- Sleep bruxism (SB) involves repetitive masticatory muscle activity during sleep.
- The relationship between simple snoring and SB in non-obstructive sleep apnea (OSA) patients requires further investigation.
Purpose of the Study:
- To investigate the association between simple snoring and sleep bruxism.
- To analyze snoring intensity and bruxism episode index.
- To explore the influence of sleep position on snoring and SB.
Main Methods:
- Polysomnography was performed on 565 snoring subjects.
- Subjects with obstructive sleep apnea (OSA) were excluded, leaving 129 participants.
- Correlation analysis was used to assess relationships between variables.
Main Results:
- A positive correlation was found between the bruxism episode index and maximum snore intensity.
- Phasic bruxism showed a positive correlation with snore intensity across all sleep positions.
- Individuals with bruxism had significantly lower average and minimum heart rates compared to non-bruxers.
- Supine sleep position significantly impacted both snore intensity and SB.
Conclusions:
- Sleep bruxism, snore intensity, and body position are interconnected.
- Phasic bruxism is consistently linked to increased snore intensity, irrespective of sleep position.
- These findings offer novel insights into the relationship between snoring and sleep bruxism.
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