Hadith 897
´It was narrated from Hudhaifah that the Prophet (ﷺ) used to say between the two prostrations:` “Rabbighfir li, Rabbighfir li (O Lord forgive me, O Lord forgive me).”
Hadith 1351
It was narrated from Hudhaifah that the Prophet (ﷺ) prayed, and when he recited a Verse which mentioned mercy, he would ask for mercy; when he recited a Verse that mentioned punishment he would pray for deliverance from it; and when he recited a Verse that mentioned the Tanzih of Allah, he would glorify Him.