The Book of Prayers (Kitab Al-Salat) Muslim :: Book 4 : Hadith 1580 Nu'man b. Salim reported with the same chain of transmitters: He who observed twelve voluntary rak'ahs, a house will be built for him in Paradise.
Nu'man b. Salim reported with the same chain of transmitters: He who observed twelve voluntary rak'ahs, a house will be built for him in Paradise.