(3) باب كَمِ الْوِتْرُ
Narrated AbuAyyub al-Ansari:
The Prophet (ﷺ) said: The witr is a duty for every Muslim so if anyone wishes to observe it with five rak'ahs, he may do so; if anyone wishes to observe it with three, he may do so, and if anyone wishes to observe it with one, he may do so. (AR)
Reference (AR): Sunan Abi Dawud 1422 (AR)
In-book reference (AR): Book 8, Hadith 7 (AR)
English translation (AR): Book 8, Hadith 1417 (AR)