What did the Prophet Muhammad (peace be upon him) recite in the dawn prayer on Fridays?
 Abu Huraira reported that the Apostle of Allah (may peace be upon him) used to recite in the dawn prayer on Friday:                     " Alif-Lam-Mim, Tanzil" in the first rak'ah, and in the second one:" Surely there came over the man a time when he was nothing that could be mentioned."