Sunan an-Nasa'i #1157 · The Book of The At-Tatbiq (Clasping One's Hands Together)

Sunan an-Nasa'iIt was narrated from 'Abdullah bin 'Abdullah bin 'Umar that his father said
Sunan an-Nasa'i · Book 12 · The Book of The At-Tatbiq (Clasping One's Hands Together)
Sunan an-Nasa'i · كتاب 12 · كتاب التطبيق
"One of the sunnahs of the prayer is to spread your left foot beneath you, and hold your right foot upright
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ يَحْيَى، عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ، عَنْ عَبْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ، عَنْ أَبِيهِ، أَنَّهُ قَالَ إِنَّ مِنْ سُنَّةِ الصَّلاَةِ أَنْ تُضْجِعَ رِجْلَكَ الْيُسْرَى وَتَنْصِبَ الْيُمْنَى ‏.‏
Reference : Sunan an-Nasa'i 1157In-book reference : Book 12, Hadith 129