Sahih Muslim
Sahih Muslim 708 a
It is permissible to leave to the right or left after finishing the prayer
Arabic hadith text
وَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا أَبُو عَوَانَةَ، عَنِ السُّدِّيِّ، قَالَ سَأَلْتُ أَنَسًا كَيْفَ أَنْصَرِفُ إِذَا صَلَّيْتُ عَنْ يَمِينِي أَوْ عَنْ يَسَارِي قَالَ أَمَّا أَنَافَأَكْثَرُ مَا رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَنْصَرِفُ عَنْ يَمِينِهِ .
Translation
Suddi reported
I asked Anas how I should turn-to the right or to the left-when I say my prayers. He said: I have very often seen the Messenger of Allah (ﷺ) turning to the right.