‏السلام : Hadeeth No:5540 Safiyya reported from some of the wives of Allaah's Prophet (sallAllaahu alayhi wa sallam) Allaah's Prophet (sallAllaahu alayhi wa sallam) having said: He who visits a divner ('Arraf) and asks him about anything, his prayers extending to forty nights will not be accepted....

‏الصلاة : Hadeeth No:1617 A hadith like this has been narrated by 'A'isha by another chain of transmitters....