´It was narrated that Anas said:` "The Iqamah for prayer was said, and the Messenger of Allah (ﷺ) was conversing privately with a man, and did not commence the prayer until the people slept."
Hadith Referenceسنن نسائي / كتاب الإمامة / 792
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه