It is not good for babies to sleep too much or too little, and a moderate amount of sleep is the best. Sleep is a kind of body and brain repair, quality and moderate sleep can fully allow the baby brain and body repair, promote metabolism, help the baby to enhance immunity, but also promote the development of brain function, brain volume storage, and growth hormone secretion in the period of deep sleep will be increased, which can effectively promote the growth and development of the baby. The baby’s sleep time is too long or too short, will have a certain impact on the baby’s development, diet, so parents have to provide their children with a good sleep environment, so that the baby has quality and moderate sleep. Babies who have excessive sleeping for a long time should go to the hospital in time and be treated under the guidance of the doctor so as not to delay the condition.