Sunan an-Nasa'i 1665
سنن النسائي#1665SahihIt was narrated from Hudhaifah that:He prayed with the Messenger of Allah during Ramadan. He bowed and said: "Subhana Rabbiyal-Azim while bowing, for as long as he had stood. Then he sat down and said: "Rabbighfirli, Rabbighfirli (Lord forgive me, Lord forgive me)," for as long as he had stood. Then he prostrated and said: "Subhana Rabbiyal-'Ala for as long as he had stood And he prayed no more than four rak'ahs when Bilal came for Al-Ghadah
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
In-book reference: 20:68