NASAI-KUBRA 1472:
from Ḥajjāj —
"I said to Ata: 'I heard that you pray twelve rak'ahs before Jumu'ah. What did you hear concerning that?' He 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), the Mighty and Sublime, will build for him a house in Paradise.'" (Using translation from Nasāʾī 1797)
الكبرى للنسائي ١٤٧٢:
عن حجاج —
أَنَّ النَّبِيَّ ﷺ قَالَ «مَنْ رَكَعَ اثْنَتَيْ عَشْرَةَ رَكْعَةً فِي الْيَوْمِ وَاللَّيْلَةِ سِوَى الْمَكْتُوبَةِ بَنَى اللهُ لَهُ بَيْتًا فِي الْجَنَّةِ»
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