حَدَّثَنَا مُحَمَّدُ بْنُ مَحْبُوبٍ حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ إِسْحَقَ عَنْ زِيَادِ بْنِ زَيْدٍ عَنْ أَبِي جُحَيْفَةَ أَنَّ عَلِيًّا رَضِيَ اللَّهُ عَنْهُ قَالَ مِنْ السُّنَّةِ وَضْعُ الْكَفِّ عَلَى الْكَفِّ فِي الصَّلَاةِ تَحْتَ السُّرَّةِ
سنن ابودوٗد · Hadith 756
Narrated Ali ibn Abu Talib: Abu Juhayfah said: Ali said that it is a sunnah to place one hand on the other in prayer below the navel.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020