Jami` at-Tirmidhi 518
جامع الترمذي#518SahihAnas narrated:"I saw the Prophet, after the Iqamah was called for Salat, talking to a man who was standing between him and the Qiblah, he did not stop talking, and I saw some of them getting sleepy from his lengthy standing the Prophet
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 4:31