Everything About Kleine Levin Syndrome

By on November 26, 2014

Kleine Levin Syndrome (KLS), also known as Sleeping Beauty is a very unusual neurological disorder categorized by recurrent attacks of excessive sleeping including behavioral and cognitive problems during wakefulness.

The exact occurrence of KLS is unknown and is estimated to be around 1 in a million. Among the affected people, 70% are men.

Patient with this condition may sleep for almost 12-24 hours a day. They wake only to eat and use the toilets. Even when the patients are awake, they experience symptoms like confusion, disorientation, irritability, hallucinations, apathy and lethargy. They are not able to care for themselves or even attend to school.

Symptoms of Kleine Levin Syndrome:

Kleine Levin SyndromeThis condition usually begins in adolescence and the symptoms are noticeable in episodes that occur between 2-12 times a year. When the episode occurs in a person, it can last for few days to several months.

Once this KLS episode ends, patient doesn’t have any memories of his past behavior. The symptoms will appear with little or no warning.

In between the episodes, people diagnosed with KLS can exhibit perfect health without any signs of physical or behavioral dysfunction.

Once the episode ends, the patient can live a normal life with regular and healthy sleep patterns. As the age increases, these episodes will last for very few days and gradually disappear.

Hypersomnia or excessive sleep

This is the principal symptom of KLS. Once you observe this symptom, you should go for required diagnosis. People with this condition may feel difficulty to wake up from the sleep.

Compulsive Eating

More than 75 percent of people with KLS experience eating difficulties during the episodes. They may have very prevailing cravings for the foods that they normally don’t eat.

Cognitive Impairment

People with KLS may experience poor concentration, confusion, memory problems, diminished comprehension, and difficulty in communicating.


Some men with KLS usually exhibit intensified sexual urges. Hyper-sexuality means promiscuity, excessive masturbation, odd sexual advances and other rude behavior.

Treating Kleine Levin Syndrome:

Usually there is no definite treatment for KLS. After the complete diagnosis, you are prescribed with some medications to reduce the symptoms.

Medications like methylphenidate and modafinilcan help deal with the effects of excessive sleep, but they don’t help with the cognitive disturbances that a patient has to deal with.

Medications such as lithium and carbamazepine used for treating bi-polar disorder will also help with few cases of KLS.