This is difficult and at 4 years your sister really needs to start sorting her daughter's problem out. She will have to simply stop the night bottles. Give her a cup of milk before bedtime and that is it. Even if she cries and performs at first just go to her, see that she is alright and leave the room immediately. She must do the same with the dummy.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.