Familial recurrent hypersomnia: two siblings with Kleine-Levin syndrome and menstrual-related hypersomnia.

Abstract

Kleine-Levin syndrome and menstrual-related hypersomnia are rare idiopathic sleep disorders occurring primarily in adolescence. They are characterized by intermittent periods of excessive sleepiness, cognitive disturbances, and behavioral abnormalities. In both, the etiology remains unknown but autoinmune, hormonal, infectious, and inflammatory mechanisms have been proposed. The authors describe, for the first time, the association of Kleine-Levin syndrome and menstrual-related hypersomnia in 2 adolescent siblings who shared the human leukocyte antigen (HLA) loci DQB1*0501. The same haplotype has been associated with sleepwalking and with rapid eye movement (REM) sleep behavior disorder. This gender differences in the manifestation of a probably genetic influenced sleep disorder suggests that hormonal mechanisms could be implicated in the phenotypical expression of this sleep disorder. The male sibling with Kleine-Levin syndrome was easily controlled with carbamazepine in low doses, but his sister could be only efficaciously treated with oral contraceptives.

• Authors: Rodrigo Rocamora, Antonio Gil-Nagel, Oriol Franch, Antonio Vela-Bueno
• Journal: Journal of child neurology (J Child Neurol) Vol. 25 Issue 11 Pg. 1408-10 (Nov 2010) ISSN: 1708-8283 [Electronic] United States
• PMID: 20404354 (Publication Type: Case Reports, Journal Article)

Topics

• Adolescent
• Disorders of Excessive Somnolence (genetics)
• Female
• Humans
• Male
• Menstrual Cycle
• Siblings