Kleine-Levin syndrome-- A disorder that occurs primarily in young males, three or four times a year. The syndrome is marked by episodes of hypersomnia, hypersexual behavior, and excessive eating.

Hello,

I see you are asking "What are the causes for kleine-levin hibernation syndrome?"

The exact cause of Kleine-Levin syndrome is unknown. It is speculated that symptoms may develop due to malfunction or damage to the portion of the brain that helps to regulate functions such as sleep, appetite, and body temperature (hypothalamus).

For more information, you can visit this URL - mentalhealthhelpcenter. com/condition/kleine-levin-hibernation-syndrome/c/24384

In the recent case of Louisa Ball who was diagnosed as having Kleine-Levin Syndrome, it was reported that she slept for 13 days.

Syndactyly is a characteristic of Apert syndrome, Poland syndrome, Jarcho-Levin syndrome, oral-facial-digital syndrome, Pfeiffer syndrome, and Edwards syndrome

Zadik-Barak-Levin syndrome.