Sunan an-Nasa'i 1358
سنن النسائي#1358SahihIt was narrated that Simak bin Harb said:"I said to Jabir bin Samurah: 'Did you used to sit with the Messenger of Allah (ﷺ)?" He said: 'Yes.' When the Messenger of Allah (ﷺ) had prayed fajr, he would sit in the place where he had prayed until the sun rose, and his companions would talk and remember things from the time of Jahilliyah and recite poetry, and they would laugh and he would smile
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 13:180