[Kleine-Levin syndrome. Report of a case]. / Síndrome de Kleine-Levin. Relato de um caso.

A case of a 14 year-old boy suffering from Kleine-Levin syndrome is described. The diagnosis was made by symptoms which suggested this disorder: megaphagia, hypersomnia and hypersexuality. A brief review is made emphasizing the pathophysiology, diagnosis and treatment of this syndrome which is frequently misdiagnosed.