(20) باب صَلاَةُ اللَّيْلِ مَثْنَى مَثْنَى وَالْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ
Ibn 'Umar reported the Messenger of Allah (ﷺ) as say- ing:
Hasten to pray Witr before morning. (JA)
Reference (JA): Sahih Muslim 750 (JA)
In-book reference (JA): Book 6, Hadith 182 (JA)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1637 (JA)