Sunan an-Nasa'i, Volume 2, Book 20, Hadith 1658 (DarusSalam) ⓘ
It was narrated that Abdullah bin Shaqiq said: "I said to Aishah: 'Did the Messenger of Allah pray sitting down?' She said: 'Yes, after the people had worn him out.'"
أَخْبَرَنَا أَبُو الأَشْعَثِ، عَنْ يَزِيدَ بْنِ زُرَيْعٍ، قَالَ أَنْبَأَنَا الْجُرَيْرِيُّ، عَنْ عَبْدِ اللَّهِ بْنِ شَقِيقٍ، قَالَ قُلْتُ لِعَائِشَةَ هَلْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصَلِّي وَهُوَ قَاعِدٌ قَالَتْ نَعَمْ بَعْدَ مَا حَطَمَهُ النَّاسُ .
also referenced under: Hadith 1657 (Reference) & Book 20, Hadith 60 (In-Book)