What’s wrong with babies who cry a lot at night?

Babies cry a lot at night may be related to gastrointestinal discomfort, lack of vitamin D, environment and other reasons, the specific analysis is as follows:
1. Gastrointestinal discomfort: the development of the infant digestive system is not perfect, easy to cause gastrointestinal discomfort due to dietary reasons, such as flatulence, intestinal colic, etc., resulting in children crying at night.
2. Lack of vitamin D: the child lacks vitamin D, no timely supplementation will affect the absorption of calcium, the night nerve excitability is easy to increase, resulting in crying.
3. Environmental factors: the sleeping environment is not good, such as around the noisy, room temperature, humidity is not good, the baby will not sleep comfortably caused by crying.
Babies cry a lot at night and other reasons may also have a relationship, it is recommended to go to the hospital in a timely manner to conduct relevant examinations, clear cause of the symptomatic treatment.