Narrated Abu Salma:
I saw Abu Huraira reciting Idha-Sama' un-Shaqqat and he prostrated during its recitation. I asked Abu Huraira, "Didn't I see you prostrating?" Abu Huraira said, "Had I not seen the Prophet...
None has the right to be worshipped but Allah alone, Who has no partner. His is the dominion and His is the praise. He brings life and He causes death, and He is Able to do all things. (Recite ten times in Arabic after...
-> Read More Info: At-Tirmidhi 5/515, Ahmad 4/227. See its checking in Ibn Al-Qayyim Al-Jawziyyah's Zddul-Ma'ad 1/300.