Standing with the feet together when praying Sunan an-Nasa'i 892
Arabic hadith text
أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا يَحْيَى، عَنْ سُفْيَانَ بْنِ سَعِيدٍ الثَّوْرِيِّ، عَنْ مَيْسَرَةَ، عَنِ الْمِنْهَالِ بْنِ عَمْرٍو، عَنْ أَبِي عُبَيْدَةَ، أَنَّ عَبْدَ اللَّهِ، رَأَى رَجُلاً يُصَلِّي قَدْ صَفَّ بَيْنَ قَدَمَيْهِ فَقَالَخَالَفَ السُّنَّةَ وَلَوْ رَاوَحَ بَيْنَهُمَا كَانَ أَفْضَلَ .
Translation
It was narrated from Abu Ubaidah that
Abdullah saw a man who was praying with his feet together. He said: "He is going against the Sunnah; if he shifted his weight from one to the other that would be better."