Five-year-old boys with twitching hands and feet in bed can be caused by excessive exercise during the day, or due to calcium deficiency and other reasons. If the boy is more active during the day, the body is too tired, the muscles are too tense, there may be the phenomenon of twitching hands and feet when sleeping at night. Usually pay attention to reduce the amount of activity, pay attention to timely rest, usually can be relieved by themselves. In addition, if there is a lack of calcium phenomenon, there will be the phenomenon of twitching hands and feet at night, you can carry out calcium supplementation, you can take calcium tablets, at the same time, you can take vitamin D and so on. If there is a five-year-old boy at night twitching hands and feet obvious, should go to the hospital in time to check, the use of the above drugs should follow the guidance of the doctor.