#AskTheExpert my 3 month old son is sleeping after 12o clock at night from the last 4 days. today he slept at 4 am. is this sleep regression or not. of yes than what is the solution of this

A. no it's not. teething problems start at 4 months age and can be painful . Swollen gums , drooling of saliva , cranky irritable baby are signs of it . Give a teether to baby wooden or silicon clean regularly , massage baby gums . Give vitamin d 3 1 ml daily till age of 1 year .