My baby is 1 month 3 weeks old. she started bresatfeeding after 20 days of her birth.she sleeps while feeding and remains hungry.i tried solutions given in net but not so helpful.she is not ful even after 30min feeding as she sleps and also m nt producing enough milk. M also giving her lactogen whenever she cries out loud max four times a day amounting to 300-350ml . is it safe . what shold i do . my doc says let her cry bt give her exclusive bresat feeding but then she is showing all the baby signs of hunger even in sleep . m so much worried .