Kleine-Levin syndrome (KLS) is a rare chronic sleep disorder of unknown etiopathology, which typically occurs in adolescent males. Although the severity of symptoms and disease course varies between the KLS patients, it usually resolves spontaneously, but sometime comorbid conditions may worsen the symptoms. Herein, we report a case of KLS who presented with severe episodic hypersomnia. During ...

Kleine-Levin Syndrome (KLS) is a rare disorder characterized intermittent hypersomnia, hyperphagia, hypersexuality, abnormal behaviors, and confusion. Patients are asymptomatic between episodes. The aim of this case series study was to determine the clinical features of patients with KLS and to compare the polysomnography (PSG) findings between symptomatic and asymptomatic periods. We compared ...

Graphical Abstract “My favorite thing about my lab group is how funny they are (aside from being fantastic and creative chemists, that is)! The memes on our twitter page not doing … My name reaction the Beckmann Rearrangement. Single-atom skeletal editing traces back to carbonyl rearrangements, you can't beat a gave us Azithromycin Nylon …” Find out more Mark Levin in his Introducing Profile.

OBJECTIVE Kleine-Levin syndrome is a rare disorder characterized by relapsing-remitting episodes of hypersomnia, cognitive disturbances, and behavioral disturbances, such as hyperphagia and hypersexuality. METHODS We collected detailed clinical data and blood samples on 108 patients, 79 parent pairs, and 108 matched control subjects. We measured biological markers and typed human leukocyte an...