Type : Phenotype or locus, molecular basis unknown;
Alternative titles and symbols : Faciomandibular myoclonus, nocturnal;
Included titles and symbols : Parasomnia, sleeptalking type; PSMNST;
Description : Sleep bruxism is a stereotyped movement disorder characterized by grinding or clenching
of the teeth during sleep (American Academy of Sleep Medicine, 2005). It is a parasomnia,
defined as a clinical disorder resulting in undesirable physical phenomena that occur
predominantly during sleep. Parasomnias are not abnormalities of the processes responsible
for sleep and wake states (summary by Hublin and Kaprio, 2003).;