Sunan an-Nasa'i 1722
سنن النسائي#1722Sahihأَخْبَرَنَا زَكَرِيَّا بْنُ يَحْيَى، قَالَ حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا عَبْدُ الرَّزَّاقِ، قَالَ حَدَّثَنَا مَعْمَرٌ، عَنْ قَتَادَةَ، عَنِ الْحَسَنِ، قَالَ أَخْبَرَنِي سَعْدُ بْنُ هِشَامٍ، عَنْ عَائِشَةَ، أَنَّهُ سَمِعَهَا تَقُولُ، إِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يُوتِرُ بِتِسْعِ رَكَعَاتٍ ثُمَّ يُصَلِّي رَكْعَتَيْنِ وَهُوَ جَالِسٌ فَلَمَّا ضَعُفَ أَوْتَرَ بِسَبْعِ رَكَعَاتٍ ثُمَّ صَلَّى رَكْعَتَيْنِ وَهُوَ جَالِسٌ .
It was narrated that Aishah said:"The Messenger of Allah (ﷺ) used to pray witr with nine rak'ahs, then he would pray two rak'ahs sitting down. When he grew weaker he prayed witr with seven rak'ahs, then he prayed two rak'ahs sitting down
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: 20:125