What was narrated concerning (voluntary) Prayers at night and during the day are two by two Sunan Ibn Majah 1324
Arabic hadith text
حَدَّثَنَا هَارُونُ بْنُ إِسْحَاقَ الْهَمْدَانِيُّ، حَدَّثَنَا مُحَمَّدُ بْنُ فُضَيْلٍ، عَنْ أَبِي سُفْيَانَ السَّعْدِيِّ، عَنْ أَبِي نَضْرَةَ، عَنْ أَبِي سَعِيدٍ، عَنِ النَّبِيِّ ـ صلى الله عليه وسلم ـ أَنَّهُ قَالَ " فِي كُلِّ رَكْعَتَيْنِ تَسْلِيمَةٌ "
Translation
It wasnarrated from Abu Sa’eed that the Prophet (ﷺ) said
“Aftereachtwo Rak’ah there should be the Taslim.”