A small baby suddenly crying in the middle of the night in bed may be caused by environmental factors, lack of calcium and vitamin D, brain excitement before bedtime and pathological factors.
1. Environmental factors: the baby may be too hot or too cold, wet diapers and other environmental reasons, resulting in the baby sleep at night crying. There are also cases when the mother is not with the baby, the baby due to separation anxiety and thus suddenly cry.
2. Calcium and vitamin D deficiency: some children are rickets caused by vitamin D or calcium deficiency, which results in low sleep quality and sudden crying at night.
3. Brain excitation before bedtime: babies are frightened during the day or over-excited before bedtime, which leads to an abnormal increase in the excitability of the cerebral cortex, and may cause babies to sleep and suddenly cry in the middle of the night.
4. Pathological factors: If the baby usually sleeps soundly, but recently appeared in the middle of the night sleep suddenly cry, then pay attention to the baby may be sick. Cold, fever, nasal congestion, gastrointestinal diseases can make the baby sleep uncomfortable and cry.
Babies suddenly cry at night, 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.