Sunan an-Nasa'i 1670
سنن النسائي#1670Sahihأَخْبَرَنَا مُوسَى بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا أَحْمَدُ بْنُ عَبْدِ اللَّهِ بْنِ يُونُسَ، قَالَ حَدَّثَنَا زُهَيْرٌ، قَالَ حَدَّثَنَا الْحَسَنُ بْنُ الْحُرِّ، قَالَ حَدَّثَنَا نَافِعٌ، أَنَّ ابْنَ عُمَرَ، أَخْبَرَهُمْ أَنَّ رَجُلاً سَأَلَ رَسُولَ اللَّهِ صلى الله عليه وسلم عَنْ صَلاَةِ اللَّيْلِ قَالَ " مَثْنَى مَثْنَى فَإِنْ خَشِيَ أَحَدُكُمُ الصُّبْحَ فَلْيُوتِرْ بِوَاحِدَةٍ " .
Ibn Umar told them that :A man asked the Messenger of Allah (ﷺ)about prayers at night, and he said: "Two by two, then if one of you fears that dawn will come, let him pray witr with one
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 20:73