(28) باب الْحَثِّ عَلَى الْوِتْرِ قَبْلَ النَّوْمِ
It was narrated that Abu Hurairah said:
"My closest friend advised me to do three things: 'To pray witr at the beginning of the night, to pray two rak'ahs of Fajr and to fast three days of each month.'"
Reference: Sunan an-Nasa'i 1678
In-book reference: Book 20, Hadith 81
English translation: Vol. 2, Book 20, Hadith 1679