(35) باب كَيْفَ الْوِتْرُ بِوَاحِدَةٍ
It was narrated that Ibn Umar said:
"The Messenger of Allah (ﷺ) said: 'Prayer at night is two by two, and witr is one rak'ah.'" (IT)
Reference (IT): Sunan an-Nasa'i 1693 (IT)
In-book reference (IT): Book 20, Hadith 96 (IT)
English translation (IT): Vol. 2, Book 20, Hadith 1694 (IT)