3 chains merged

Never did I see the Messenger of Allah (ﷺ) observing supererogatory prayer sitting till one year before his death when he would observe Nafl prayer in a sitting position, and he would recite the Surah (of the Qur'an) in such a slow-measured

"I never saw the Messenger of Allah (ﷺ) offer his voluntary prayers sitting down until one year before his death. Then he used to pray sitting down, reciting the surah so slowly that it seemed to be longer than a surah that is longer."

“Allah’s Messenger (ﷺ) used to perform voluntary ritual prayer sitting down , and he would recite the Sura and pronounce it slowly, so that it would seem to be longer than one that was actually longer than it.”