It wasnarrated that Masruq said:
"I asked 'Aishah about the Witr oftheMessenger of Allah (ﷺ). She said: 'He prayed Witr at every partof the night, at the beginning, in the middle and at the end, when hedied (he would perform it) just before dawn.'" (DE)
English reference (DE): Vol. 1, Book 5, Hadith 1185 (DE)
Arabic reference (DE): Book 5, Hadith 1241 (DE)