Children’s growth hormone secretion time is usually from 9 pm to 1 am. Children’s growth hormone secretion during the day is very small, usually secreted at night, the more growth hormone secretion, the height is easy to grow taller, 9 p.m. to 1 a.m. This period of time secretion is exuberant, you can seize this secretion peak, to help the body to grow taller, it is difficult to make up for missing this time. In addition to the night, the morning 5 to 7 am is also a small peak of growth hormone secretion, so be sure to ensure sleep, so that the child can grow and develop better. The above time is a reference value, different children’s situation is different, can not be used as an absolute time. Parents are advised to help their children develop good work and rest habits, ensure adequate sleep, and do not stay up late, so that the body can be more healthy.