The Messenger of Allah ﷺ said, "Straighten your rows, for straightening the rows is part of the perfection of the prayer."
حدثنا بهز حدثنا شعبة قال أخبرنا قتادة
قال رسول الله ﷺ سووا صفوفكم فإن تسوية الصفوف من تمام الصلاة
Its isnad is sahih, previously mentioned at 13904.14029m Bahz narrated to us, Shubah narrated to us from Qatada, from Anas, that the Messenger of Allah ﷺ said, "Be moderate in sujud, and let none of you stretch out his forearms as a dog stretches out its legs."Sahih (14029m). Its isnad is sahih, previously mentioned at 13832.