Sunan an-Nasa'i 1796
سنن النسائي#1796Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ مَعْدَانَ بْنِ عِيسَى، قَالَ حَدَّثَنَا الْحَسَنُ بْنُ أَعْيَنَ، قَالَ حَدَّثَنَا مَعْقِلٌ، عَنْ عَطَاءٍ، قَالَ أُخْبِرْتُ أَنَّ أُمَّ حَبِيبَةَ بِنْتَ أَبِي سُفْيَانَ قَالَتْ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " مَنْ رَكَعَ ثِنْتَىْ عَشْرَةَ رَكْعَةً فِي يَوْمِهِ وَلَيْلَتِهِ سِوَى الْمَكْتُوبَةِ بَنَى اللَّهُ لَهُ بِهَا بَيْتًا فِي الْجَنَّةِ " .
It was narrated that 'Ata said:"I was told that Umm Habibah bin Abi Sufyan said: "I heard the Messenger of Allah (ﷺ) say: 'Whoever prays twelve rak'ahs during the day and night, apart from the prescribed prayers, Allah (SWT) will build for him a house in Paradise
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 20:199