Sunan al-Nasa'i The Book of the Commencement of the Prayer Umarh bint 'Abdur Rahman عمرة بنت عبد الرحمن بن سعد بن زرارة Umm Hisham bint Haritha bin al-Nu'man Yahya bin Sa'id bin Farroukh al-Qatan يحيى بن سعيد بن فروخ القطان He prayed Subh and recited Ar-Rum, but he stumbled in his recitation. When he had finished praying he said: ‘What is the matter with people who pray with us without purifying themselves properly? Those people make us stumble in reciting Quran.'” https://parallelquran.com/hadith/sunan-al-nasai-949/