Frequent jumping in sleep is due to immaturity of the central nervous system and external factors, which are physiological and do not require special treatment, while pathological factors include vitamin and calcium deficiency. It is recommended to go to the hospital in time to determine the cause and treat the cause. Physiological factors: mainly occur in younger babies, usually sensitive to the surrounding environment, lack of security can also cause jumping symptoms, so the sleep environment should ensure quiet and appropriate light. Parents should minimize the sound of talking and closing the door when the baby is sleeping to reduce the startle reaction. Second, pathological factors: 1, lack of vitamin D and calcium: this triggering factor will appear after calcium deficiency increased neuroexcitability, so must be timely supplementation of vitamin D, more sun exposure, because the sun can synthesize natural vitamin D, should also supplement calcium, vitamin D, to promote the absorption of calcium, to relieve calcium deficiency symptoms, so that the infant startle response to reduce to disappear; 2, other: if the baby always startle jumping when sleeping. There is also a blue around the mouth, impaired consciousness, etc., you need to pay attention to whether there are symptoms of convulsions, it is recommended to take the baby to the hospital to do a complete physical examination to exclude related diseases.