It is narrated from Umm al-Mu'mineen Hazrat Aisha (may Allah be pleased with her) that the Prophet used to recite in bowing and prostration: "Subbuhun Quddusun Rabbul-Mala'ikati war-Ruh."
Hadith Referenceمسند احمد / مسند النساء / 26071
Hadith Gradingحکم دارالسلام:إسناده صحيح وهو مكرر ما قبله