You have identified several problems here. Without being able to see this little girl it is difficult for me to comment.Obviously she should not be drinking so much milk at night. She appears tp rely on her milk for her nutrition as she does not eat at all well,according to your observation. She may be thirsty because she simply does not drink enough water and other fluids during the day.The fact that she does not speak is another problem. It seems to me that this little girl needs to be seen and carefully examined by a paediatrician to see if her development is appropriate for her age of 3 years and to assess her for any other health concerns. After that it is really over to her parents.
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