某些睡眠障碍疾病以夜间反复刻板的异常运动为特征 ,如抽动、扭动、磨牙等 ,有人将这类发生在睡眠期间的异常运动统称为夜间运动障碍 (nocturnalmovementdisorders)。实际上 ,在国际睡眠障碍分类中并没有夜间运动障碍这一名称 ,临床上常见的周期性肢动症、不宁腿综合征属内源性 Some sleep disorder diseases are characterized by repeated and abnormal nighttime movements, such as twitching, twisting, molars, etc. Some people describe this type of abnormal movement during sleep as nocturnal movement disorders. In fact, there is no nocturnal dyskinesia in the classification of sleep disorders in the world, the common clinical symptoms of periodic arthritis, restless legs syndrome is endogenous