Glycemic burden during nocturnal sleep in patients with sleep bruxism across sleep stages.

Authors

Helena Martynowicz, Paweł Lubieniecki, Anna Wojakowska, Michał Fułek, Dorian Nowacki, Dmytro Slivinskyi, Marcin Kałużny, Katarzyna Madziarska, Mieszko Więckiewicz

Published in

Cranio : the journal of craniomandibular practice. Pages 1-9. Aug 30, 2026. Epub Aug 30, 2026.

Abstract

To assess nocturnal glycemic burden across sleep stages in adults with polysomnographically confirmed sleep bruxism.
95 adults underwent polysomnography, bilateral masseter electromyography, and continuous glucose monitoring. 70 participants with BEI ≥2 events/h formed the sleep bruxism group and 25 with BEI <2 were controls. Glycemic burden was calculated as glucose AUC (mg·h/dL).
Fasting glucose, glycated hemoglobin, sleep architecture, respiratory indices, and oxygenation did not differ. Glycemic burden was higher with bruxism during total sleep time (690.06 vs. 634.08 mg·h/dL; p = .008) and non-rapid eye movement sleep (524.89 vs. 489.20 mg·h/dL; p = .046). Mean nocturnal glucose and glycemic variability were similar. In 15 participants with BEI >4, glucose during RMMA-related bruxism periods was higher than outside them (102.60 ± 13.06 vs. 97.07 ± 9.37 mg/dL; p = .044).   .
Sleep bruxism was associated with higher nocturnal glycemic burden, particularly during non-rapid eye movement sleep, but causality and independence from confounding require confirmation.

PMID:
42669060
Bibliographic data and abstract were imported from PubMed on 30 Aug 2026.

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