It was
narrated from Abu Ayyub Al-Ansari that the Messenger of Allah
(ﷺ)
said:
“Witr is Haqq.* Whoever wishes let him pray Witr with five
(Rak’ah), and whoever wishes let him pray Witr with three (Rak’ah),
and whoever wishes let him pray Witr with one (Rak’ah).”