Chapter: Night prayers and the number of rak`ah offered by the Prophet (saws) at night, and that Witr is one rak`ah, and a one-rak`ah prayer is correct
A'isha reported: When the Messenger of Allah ( صلی اللہ علیہ وسلم ) had prayed the two rak'ahs (Sunan) of the dawn prayer, he would talk to me if I was awake, otherwise he would lie down.
Authentic