‏الحيض : Hadeeth No:683 This hadith is narrated by Qatida with the same chain of transmitters, but with minor alterations. Here instead of the word - (jahada, (ijtahada) has been used, and the words;" Even if there is no orgasm" have been omitted....

‏فضائل الصحابة‏ : Hadeeth No:6147 Abu Burda reported on the authority of his father: We offered the sunset prayer along with Allaah's Prophet (sallAllaahu alayhi wa sallam). We then said: If we sit (along with Allaah's Messenger) and observe night prayer with him it would be very good, so we sat down and he came to us and said: You ...