Narrated Anas:
Once the Iqama was pronounced and the Prophet was talking to a man (in a low voice) in a corner of the mosque and he did not lead the prayer till (some of) the people had slept (dozed in a sitting...
Allah is sufficient for me. There is none worthy of worship but Him. I have placed my trust in Him, He is Lord of the Majestic Throne. (Recite seven times in Arabic).
Info: Allah will grant whoever recites this seven times in the morning or evening whatever he desires from this world or the next, Ibn As-Sunni (no. 71), Abu Dawud 4/321. Both reports are attributed directly to the Prophet j§ (Marfu1). The chain of transmission is sound (Sahih). Ibn As-Sunni.