What’s wrong with a 15-month-old baby who always cries in his sleep?

Fifteen-month-old babies always cry in their sleep, which may be caused by dietary factors, lack of calcium, indigestion and other reasons.
1. Dietary factors: If the baby eats too little food before going to bed, unable to meet the basic needs of the body, and lead to the baby is in a state of hunger, it will be due to hunger and always cry in bed.
2. Calcium deficiency: baby in the growth and development period, if the body lacks calcium will cause hypocalcemia, which causes increased nerve excitability, when the baby sleeps the cerebral cortex is still in a state of excitement, it is easy to sleep always cry.
3. indigestion: fifteen months of the baby’s gastrointestinal digestive system has not matured, if you eat too much food before going to bed, it will cause indigestion, when the baby feels the gastrointestinal discomfort, there will be a situation of sleeping and crying.
Fifteen months baby sleep always cry, there may also be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.