The harms of children’s sleep deprivation include affecting growth and development, affecting learning and life, and so on. 1. Impact on growth and development: in the state of children’s sleep, the secretion of growth hormone is often more, if children do not have enough sleep, the secretion of growth hormone will be less, thus affecting the growth and development of children, and may even lead to children’s short stature. 2. Impact on memory: If children are often sleep deprived, it will have a greater impact on the next day’s learning and life, easy to sleepy performance, the impact on memory, resulting in memory loss, class concentration, slow thinking and other phenomena. Children’s sleep deprivation may also cause other harm, so it is important for children to ensure sufficient sleep time.