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KMID : 1002120110080020045
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Journal of Korean Sleep Research Society
2011 Volume.8 No. 2 p.45 ~ p.47
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A Case of Exploding Head Syndrome: Focus on Polysomnographic Finding
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Yoon Jung-Eun
Hwang Ki-Eun
Roh Tae-Hwan
Shin Won-Chul
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Abstract
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Exploding head syndrome is a rare nocturnal disorder that the patient experiences a loud sound. The events occur usually during a period of drowsiness preceding sleep. The polysomnography studies in exploding head syndrome are very rare. We report a case of exploding head syndrome that a total of 8 typical episodes were recorded in polysomnography. A 51 years old female was admitted due to nocturnal loud sound from 2 month ago. There was no headache and no history of sleep problems. During the polysomnography, the events recorded 8 times, 6 of the events occurred during waking time prior to sleep onset, 2 developed in N1 sleep. In our case, the events appear to arise from early drowsiness with predominant alpha rhythm, with interspersed theta activity.
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KEYWORD
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Exploding head syndrome, Sleep
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