‏الحيض : Hadeeth No:598 'A'isha reported: Whenever the Messenger of Allaah (sallAllaahu alayhi wa sallam) had sexual intercourse and intended to eat or sleep, he performed the ablution of prayer....

‏البيوع : Hadeeth No:3883 This hadith has been narrated on the authority of Zakariya with the same chain of transmitters....