It wasnarrated from Umm Habibah bint Abi Sufyan that the Prophet(ﷺ)said:
"Whoever performs twelve Rak'ah (of Sunnah) during the dayand night, a house will be built for him in Paradise." (PT)
English reference (PT): Vol. 1, Book 5, Hadith 1141 (PT)
Arabic reference (PT): Book 5, Hadith 1195 (PT)