Why my baby is not sleeping even 30 mins continuously and asking for feed continuously without sleeping?

A. How do you know that your child is asking for feeding only because when a child cries lots of parents get confused and it’s not necessarily because of hunger it could be due to stomach pain and if you’re sure it’s because of hunger that indicates that you are giving is not enough to keep your child full for a longer duration and that’s why the child does not sleep well