Isolated mandibular sleep-related rhythmic movement disorder: A case report.

Röthlisberger, Sandra C.; Zubler, Frédéric (2020). Isolated mandibular sleep-related rhythmic movement disorder: A case report. (In Press). Cranio : the journal of craniomandibular practice, pp. 1-3. Taylor & Francis 10.1080/08869634.2020.1747715

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Background: Rhythmic masticatory muscle activity (RMMA) in sleep is usually not considered pathological unless associated with bruxism. On the other hand, so-called sleep-related rhythmic movement disorders (SRRMD) are a recognized category of sleep disorders, which involve prolonged rhythmic activity of large muscle groups, such as the whole body, the head, or a limb, but typically not the masticatory muscles.Clinical Presentation: A polysomnographic description of a patient with symptomatic RMMA without bruxism, fulfilling the diagnostic criteria of an SRRMD, is presented. The symptoms were initially misdiagnosed as bruxism and then as sleep-related epilepsy, which delayed an adequate treatment. Therapy of the comorbid obstructive sleep apnea with a positive airway pressure device (APAP) led to a self-reported improvement.Conclusion: The differential diagnosis of jaw movement in sleep is vast; a correct diagnosis is of the essence for adequate treatment. The prevalence of isolated RMMA resulting in perturbation of sleep warrants further exploration.

Item Type:

Journal Article (Further Contribution)


04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology

UniBE Contributor:

Röthlisberger, Sandra and Zubler, Frédéric


600 Technology > 610 Medicine & health




Taylor & Francis




Chantal Kottler

Date Deposited:

15 Jul 2020 09:33

Last Modified:

03 Aug 2020 19:01

Publisher DOI:


PubMed ID:


Uncontrolled Keywords:

Rhythmic masticatory muscle activity bruxism electromyogram polysomnography sleep-related rhythmic movement disorder




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