A case of benign neonatal sleep myoclonus

Hodaka Ohta, Hideo Enoki, Makio Oka, Yoko Ohtsuka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We report on a male infant with benign neonatal sleep myoclonus (BNSM). At 12 days of age, he began to have frequent myoclonic jerks in the lower and/or upper extremities during sleep. Myoclonic jerks appeared bilaterally/ synchronously and persisted for several minutes to 10 minutes. Both interictal and ictal EEG findings were normal. During follow-up, the patient did not take any medication, and his myoclonic jerks gradually decreased. They completely disappeared at 50 days of age. The patient's development was normal. BNSM is a benign disorder and myoclonic jerks generally disappear without medication. Early diagnosis is important to avoid unnecessary treatment. EEG-EMG recording is useful for diagnosis.

Original languageEnglish
Pages (from-to)283-286
Number of pages4
Issue number4
Publication statusPublished - 2006

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Clinical Neurology


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