Psychosis in a case of Kleine-Levin syndrome: A diagnostic challenge

Kleine-Levin syndrome (KLS) is a rare disorder of sleep diagnosed mainly on clinical grounds. It presents a unique diagnostic dilemma for neurologists and psychiatrists; especially due to a high risk of being diagnosed as a psychiatric condition like a mood disorder. However, there is literature available documenting the cooccurrence of psychiatric illnesses in patients diagnosed with KLS. The following case highlights the above points.