أَخْبَرَنَا زِيَادُ بْنُ أَيُّوبَ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، قَالَ حَدَّثَنَا عَبْدُ الْعَزِيزِ، عَنْ أَنَسٍ، قَالَ أُقِيمَتِ الصَّلاَةُ وَرَسُولُ اللَّهِ صلى الله عليه وسلم نَجِيٌّ لِرَجُلٍ فَمَا قَامَ إِلَى الصَّلاَةِ حَتَّى نَامَ الْقَوْمُ .
It was narrated that Anas said: "The Iqamah for prayer was said, and the Messenger of Allah (PBUH) was conversing privately with a man, and did not commence the prayer until the people slept." Translation Not Available
Book Ref: Sunan An Nisai Book 10 Hadith 791
Web Ref: Sunan An Nisai Vol 1 Book 10 Hadith 792