Sunan an-Nasa'i 1656
سنن النسائي#1656SahihAbu Salamah narrated that Aishah told him:"The Prophet (ﷺ) did not die until most of his prayers were offered sitting down
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 20:59