He stays up all night, and his parents are telling him not to do that; does he have to obey them?

Parents’ objection to their son following some Sunnahs

Making Du’a for Parents Though They Fall Short in Raising Children

She disagrees with her parents about her children’s upbringing

Her father smokes surreptitiously during the day in Ramadan, and she does not know what to do

How should the family deal with a disobedient son?

His mother wants his wife to uncover her face in front of his relatives but his wife refuses to do that

Ruling on not obeying parents with regard to medical treatment

Happy Birthday Wishes in Islam

Should he give up his place in the Hajj lottery to his father even though he has not yet done the obligatory Hajj?