What are the reasons for a child sweating all over at night?

Patient's question:

My child has been sweating a lot after falling asleep these days;;, is this a disease? Treatment history and effectiveness: none
What kind of help do you expect: what is the cause

Doctor's answer:

The most likely cause of a child's condition is a calcium deficiency. It generally leads to symptoms such as irritability, excessive sweating, and poor appetite with weight loss. In this case, active calcium supplementation is necessary. It is recommended to first focus on rest, and maintain a light, warm, and easily digestible diet. Eating more eggs and pork liver is beneficial. It is advised to have the child take oral liquid glucose zinc calcium actively for treatment. It is also recommended to expose the child to sunlight more often.