Kleine-Levin Syndrome

syndrome kleine

For some individuals dealing with the feeling that we got in the case of sleep deprivation is every day. They are suffering from hypersomnia that is known as Kleine-Levin syndrome.

What is Kleine-Levin Syndrome?

Kleine-Levin syndrome is an extremely rare complex neurological condition. In the individuals that suffer from it, the syndrome causes a huge need for sleep during the day for up to 20 hours a day.


The periods of these attacks can last up to weeks. They can be triggered by alcohol consumption, seasonal infections or intense fatigue.

Thibault Courduries is a young man with this syndrome. He describes his condition during attacks that lasted up to 3 weeks. He says he stays in his bed for almost 18 hours a day. His father described his symptoms as the presence of hypersomnia. Also, he notices a notable apathy in his son’s character with the impression of being in a permanent dream state.

The causes of the disease are still unknown, but a diagnosis can be made based on functional images of the patient’s brain. The images present anomalies in the involvement of the internal temporal lobe which are manifested by a decrease in the activity of the region.

A feeling of strangeness can be noticed by the patients. This is linked to a dysfunction of the temporoparietal crossroads which integrates the information that arrives through our senses. In a crisis, its dysfunction gives a description of the world that is disturbed and not synchronized, hence the sensation of derealization.

Kleine Levin syndrome is a disorder that usually appears during adolescence. Men are more affected than women by this syndrome, which usually goes away at the age of thirty.

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