Parasomnia Overlap Disorder Associated With Pontine Glioblastoma

Parasomnia overlap disorder is characterized by coexisting rapid eye movement (REM) sleep behavior disorder and non-REM parasomnia. We report herein an 8-year-old boy with REM sleep behavior disorder, sleep talking, and confusional arousal. Polysomnography revealed REM sleep without atonia, and arousal disorder. Neurological examination revealed bilateral ptosis, lateral gaze palsy, facial palsy, vertical nystagmus, and dysmetria. A pontine glioblastoma was found on brain magnetic resonance imaging, which could have been responsible for his neurologic deficit and sleep problem.