(27) باب فِي صَلاَةِ اللَّيْلِ
Narrated 'Aishah:
The Messenger of Allah (ﷺ) used to pray ten rak'ahs during the night, and would observe the witr with one rak'ah, he then prayed two rak'ahs of the dawn prayer. Thus he prayed thirteen rak'ahs in all.
Reference: Sunan Abi Dawud 1334
In-book reference: Book 5, Hadith 85
English translation: Book 5, Hadith 1329