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Related Experiment Video

Updated: Jun 15, 2026

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

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Published on: April 26, 2024

Correlation between stress, stress-coping and current sleep bruxism.

Maria Giraki¹, Christine Schneider, Ralf Schäfer

¹Department of Operative and Preventive Dentistry and Endodontics, Heinrich-Heine-University Düsseldorf, Moorenstr 5, 40225 Düsseldorf, Germany. mgiraki@hotmail.com

Head & Face Medicine

|March 9, 2010

Summary

Stress significantly correlates with sleep bruxism (SB) activity, particularly daily problems and work-related stress. Individuals with higher SB activity may cope with stress negatively, warranting further research into causal links.

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Published on: June 18, 2014

Area of Science:

Sleep Medicine
Psychology
Stress Research

Background:

Sleep bruxism (SB) is a condition potentially influenced by stress.
This study investigated the relationship between specific stress factors and SB activity.

Purpose of the Study:

To determine if specific stressors correlate with sleep bruxism activity.
To explore the coping strategies employed by individuals with sleep bruxism.

Main Methods:

Sixty-nine participants (48 with SB) completed validated German questionnaires on stress and coping.
SB diagnosis followed American Academy of Sleep Medicine (AASM) criteria.
SB activity was quantified using the Bruxcore-Bruxism-Monitoring-Device (BBMD) over five nights.
Spearman correlation coefficients analyzed psychometric data against BBMD pixel scores.

Main Results:

Significant positive correlations were observed between SB activity and 'daily problems' (r = 0.461, p < 0.01).
Other significant correlations included 'trouble at work' (r = 0.293), 'fatigue' (r = 0.288), 'physical problems' (r = 0.288), and the coping strategy 'escape' (r = 0.295) (all p < 0.05).

Conclusions:

Higher SB activity is associated with increased perceived stress from work and daily life.
Individuals with high SB activity may utilize less adaptive coping mechanisms, such as 'escape'.
Further research is needed to establish a causal relationship due to moderate correlation coefficients and the study's descriptive nature.