The case is reported of a 47-year old female suffering from the exploding head 
syndrome. This syndrome consists of a sudden awakening due to a loud noise 
shortly after falling asleep, sometimes accompanied by a flash of light. The 
patient is anxious and experiences palpitations and excessive sweating. Most 
patients are more than fifty years of age. Further investigations do not reveal 
any abnormality. The pathogenesis is unknown, and no therapy other than 
reassurance is necessary.