Sunan an-Nasa'i 1654
سنن النسائي#1654Sahihأَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ، حَدَّثَنَا خَالِدٌ، عَنْ شُعْبَةَ، عَنْ أَبِي إِسْحَاقَ، قَالَ سَمِعْتُ أَبَا سَلَمَةَ، عَنْ أُمِّ سَلَمَةَ، قَالَتْ مَا مَاتَ رَسُولُ اللَّهِ صلى الله عليه وسلم حَتَّى كَانَ أَكْثَرُ صَلاَتِهِ قَاعِدًا إِلاَّ الْفَرِيضَةَ وَكَانَ أَحَبُّ الْعَمَلِ إِلَيْهِ أَدْوَمَهُ وَإِنْ قَلَّ .
It was narrated from Abu Salamah, that Umm Salamah said:"The Messenger of Allah (ﷺ) did not pass away until most of his prayers were offered sitting down, except for the obligatory prayers, and the dearest of actions to him were those which were done persistently, even if they were few
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Abu Ghuddah, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 20:57