Narcolepsy is an abnormal phenomenon, which is mainly manifested by significantly prolonged sleep time, not easy to wake up, and interfering with daily life such as breastfeeding. There are obvious individual differences in the sleep time of newborns, usually more than 16-20 hours, 3-4 hours of sleep each time, and some children can sleep for more than 22 hours. If the child’s feeding and mental status is good, urination and defecation are normal, and the weight gain is 30-50g per day, parents need not worry too much. If the child sleeps almost every day, and does not eat milk, not easy to wake up, may be the state of narcolepsy, which will affect the child’s eating and physical development, is a manifestation of disease, need to take the baby to the hospital in time. Pediatric sleep time is long, sleep time is not easy to calculate, once found that the child eating and mental state is abnormal, should take the child to the pediatrician in a timely manner.