(66) باب ثَوَابِ مَنْ صَلَّى فِي الْيَوْمِ وَاللَّيْلَةِ ثِنْتَىْ عَشْرَةَ رَكْعَةً سِوَى الْمَكْتُوبَةِ وَذِكْرِ اخْتِلاَفِ النَّاقِلِينَ فِيهِ لِخَبَرِ أُمِّ حَبِيبَةَ فِي ذَلِكَ وَالاِخْتِلاَفِ عَلَى عَطَاءٍ
It was narrated that Umm Habibah bint Abi Sufyan said:
"Whoever prays twelve rak'ahs in a day and prays before Zuhr, Allah (SWT) will build for him a house in Paradise."
Reference: Sunan an-Nasa'i 1800
In-book reference: Book 20, Hadith 203
English translation: Vol. 2, Book 20, Hadith 1801