Sudden shaking of the feet while sleeping may be caused by physiological myoclonus or epileptic seizures.
1. Physiological myoclonus: Sudden shaking of the feet during sleep often occurs during light sleep, because at this time the body has not yet entered the stage of deep sleep, although the body is no longer active, but the brain nerves are still active, when there is an occasional neural excitation of the conduction, the phenomenon of sudden shaking of the feet can be produced.
2. Epileptic seizures: If the shaking of the feet at rest occurs frequently, it is necessary to suspect that it is not epilepsy, when this disease has a seizure, the phenomenon of abnormal shaking of the body; in serious cases, it can have a sense of suffocation, stiffness and other undesirable manifestations.
When suddenly shaking feet while sleeping, should not be too anxious, need to exclude the physiological situation, as soon as possible to seek medical treatment, identify the cause of the disease, diagnosis and treatment.