(44) باب كَيْفَ الْوِتْرُ بِإِحْدَى عَشْرَةَ رَكْعَةً
It was narrated from Aishah that:
The Prophet (ﷺ) used to pray eleven rak'ahs at night, of which one was witr, then he would lie down on his right side.
Reference: Sunan an-Nasa'i 1726
In-book reference: Book 20, Hadith 129
English translation: Vol. 2, Book 20, Hadith 1727