Sleeping hyperactivity at night is common in the following cases: 1, nocturnal seizures, mostly seen in children and adolescents, during sleep at night, there is a substantial jerking of the limbs of varying duration, the seizure at that time generally can not be awakened, the next day woke up on the limb activity can not be recalled, night EEG examination can be seen, limb activity at that time there are typical epileptic waves. 2, Alzheimer’s disease, some of the Alzheimer’s disease The elderly, there will be nocturnal limb fidgeting, and the strength and amplitude, and even accidentally hurt the people around, but I do not know the whole process, the elderly often appear this situation, to the neurology department, to exclude the possibility of Alzheimer’s disease. 3, sleep apnea syndrome, these patients have snoring phenomenon at night, there is also a short period of respiratory arrest, the whole process is prone to hypoxia, chest tightness, resulting in patients arms and legs moving around, sleep breathing monitoring can be done to clarify.