This kind of "crying at night" is also called "abdominal pain in March" and is common in 3-month-old babies. There are many reasons, including family disharmony, imperfect brain development, strong autonomic nervous system, protein's allergy, abnormal gastrointestinal peristalsis, lactose intolerance and abdominal distension. It happens at dusk because it is also the peak of fatigue in a day, so it is expressed. Others analyzed it because they starved to death. Two or three months after birth, the baby's weight increases rapidly, and it is easy to feel hungry, while the milk metabolism is less at dusk. Natural environment and emotional reasons are also important. The negative emotions of a tired mother will aggravate the baby's depression.

Protein's allergy refers to the immunochemical changes of one or more milk proteins in infants with complicated clinical symptoms. If the baby has nausea and vomiting, diarrhea, severe constipation, anorexia and gastroesophageal reflux at the digestive tract level, there will be red rashes, swollen lips and measles at the skin level; Sinusitis and asthma occur at the respiratory level; In addition, when the weight gain is not ideal, the baby refuses to feed for no reason, often cries and fidgets, you should also be careful that the baby may have protein's allergy. Regular sobbing is usually due to the termination of the baby's normal work and rest distribution, and very few are mainly due to discomfort caused by feeding problems.

It is very likely that the child should eat or fall asleep, or it may be that the baby is too upset. Effective methods: comfort the baby who sobs at night, please try to hug, hug and walk with the baby, which can keep the body in contact with the body during fitness exercise. The application of random noise machines or fans also helps. Give up the habit of children eating and sleeping at first. Some children must sway to sleep or sleep while eating, and they can be comforted in this way for the first two months after birth, but the frequency should be gradually reduced and they will give up in three months. Shape the baby's ability to sleep independently.

Parents should recognize the baby's sleep data signals, such as rubbing eyes and numbness, and put them on the bedside when the child is sleepy but not asleep, so that the baby can learn to sleep alone, so that he can sleep again when he wakes up at night. But it should be noted that you should try not to lie in bed before going to sleep. The room temperature is too high, the baby quilt is too thick, and the baby is bitten by mosquitoes. Parents should solve the situation in time. Babies have neonatal colic, rickets, anemia, lead poisoning, malnutrition, intestinal obstruction and so on. , may cause crying at night. The reason for crying is complicated, so you must go to the hospital, and you must find the reason immediately and treat it.