What’s wrong with a one year old who suddenly cries in his sleep at night?

A one-year-old child’s sudden crying at night may be related to fright, environmental influences, calcium deficiency, abdominal distension, abdominal pain and other disease factors.
1. Frightened: Because one-year-old children already have memory, in the daytime play when frightened, fall asleep at night and suddenly remember the daytime things and suddenly cry.
2. Environmental influences: sleeping at too high or too low a temperature, or the environment is too noisy, more noise, affecting the child’s quality of sleep, can lead to children fall asleep and suddenly cry.
3. Disease: lack of vitamin D or calcium leads to increased excitability of the cerebral cortex, affecting the child’s quality of sleep; daytime diet is unreasonable to eat greasy not easy to digest food, food accumulation, resulting in abdominal distension and abdominal pain, which can lead to the child fell asleep suddenly crying phenomenon.
A one-year-old child suddenly cry at night, there may be other reasons, it is recommended to go to the hospital for examination, clear causes, and active symptomatic treatment.