The possible reasons for babies waking up crying after a short sleep are divided into two main categories: physiological and pathological. Physiological causes include baby’s hunger, inappropriate room temperature, etc. Pathological factors include gastrointestinal discomfort, rickets, and central nervous system diseases. It is recommended to go to the hospital in a timely manner to determine the cause of the disease, and treatment of the cause. A, physiological reasons baby because of hunger, not timely diaper change wet and other discomfort performance, can express their dissatisfaction through crying, usually remove the cause of the baby’s discomfort, such as giving milk food, changing diapers, etc. can make the baby’s crying stop. In addition, children within a week of sleeping for a while to cry and wake up is also normal, no need to deal with. Pathological causes 1, gastrointestinal discomfort: In addition to crying and waking up after a short sleep, the child may also have abdominal pain, bloating, poor appetite, vomiting and other symptoms. It is recommended to seek medical advice, under the guidance of a doctor for examination, to identify the cause and then treat the symptoms; 2. Rickets: In addition to waking up crying after a short sleep, the child may also be accompanied by irritability, sleep disturbance and other symptoms. It is necessary to routinely supplement vitamin D and take calcium supplements for treatment; 3. Central nervous system diseases: such as intracranial hemorrhage, inflammation or elevated cranial pressure, etc. can cause children to wake up crying after a short sleep, which requires hospitalization to find the cause and treat the symptoms. Note for parents should pay attention to the care of the baby, especially after the baby goes to sleep to strengthen the management, avoid crying after waking up not around the child, so as not to affect the psychological development.