my son is 6 months old and he feels irritated every time and can't sleep at night. all the say he feel crying what to do

A. if the child is crying at this age it can be due to either teething pain or it might be a part of colic painx due to some digestion problem or it might be due to nasal blockage or some body pain which might be initiation of a viral fever also. you have to treat accoxrding to the findings so better to visit a doctor.