Sunan an-Nasa'i #1674 · The Book of Qiyam Al-Lail (The Night Prayer) and Voluntary Prayers During the Day

Sunan an-Nasa'iIt was narrated that Abdullah bin Umar said
Sunan an-Nasa'i · Book 20 · The Book of Qiyam Al-Lail (The Night Prayer) and Voluntary Prayers During the Day
Sunan an-Nasa'i · كتاب 20 · كتاب قيام الليل وتطوع النهار
"A man stood up and said: 'O Messenger of Allah (ﷺ), how are the prayers at night to be done?' The Messenger of Allah (ﷺ) said: 'Prayers at night are (offered) two by two, then if you fear that dawn will come, pray witr with one
أَخْبَرَنَا أَحْمَدُ بْنُ الْهَيْثَمِ، قَالَ حَدَّثَنَا حَرْمَلَةُ، قَالَ حَدَّثَنَا ابْنُ وَهْبٍ، قَالَ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ، أَنَّ ابْنَ شِهَابٍ، حَدَّثَهُ أَنَّ سَالِمَ بْنَ عَبْدِ اللَّهِ وَحُمَيْدَ بْنَ عَبْدِ الرَّحْمَنِ حَدَّثَاهُ عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، قَالَ قَامَ رَجُلٌ فَقَالَ يَا رَسُولَ اللَّهِ كَيْفَ صَلاَةُ اللَّيْلِ فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏
"‏ صَلاَةُ اللَّيْلِ مَثْنَى مَثْنَى فَإِذَا خِفْتَ الصُّبْحَ فَأَوْتِرْ بِوَاحِدَةٍ ‏"‏ ‏.‏
Reference : Sunan an-Nasa'i 1674In-book reference : Book 20, Hadith 77