‏الصلاة : Hadeeth No:1613 'A'isha observed that the Messenger of Allaah (sallAllaahu alayhi wa sallam) used to observe prayer in the night and the last of his (night) prayer was Witr....

‏فضائل الصحابة‏ : Hadeeth No:5921 This hadith has been narrated on the authority of Zaid b. Arqam through another chain of transmitters....