Sleep disorders in patients with anti-N-methyl-D-aspartate receptor(NMDAR)encephalitis present in a variety of forms,are easily misdiagnosed,have complex mechanisms,and require early recognition and treatment.This article reviews the clinical manifestations,electrophysiological characteristics,pathogenesis,diagnosis and treatment principles of sleep disorders in anti-NMDAR encephalitis,in order to provide some help for clinicians to identify and treat sleep disorders in anti-NMDAR encephalitis.