(99) باب قُعُودِ الإِمَامِ فِي مُصَلاَّهُ بَعْدَ التَّسْلِيمِ
It was narrated that Jabir bin Samurah said:
"When the Messenger of Allah (ﷺ) prayed fajr, he would sit in the place where he had prayed until the sun rose."
Reference: Sunan an-Nasa'i 1357
In-book reference: Book 13, Hadith 179
English translation: Vol. 2, Book 13, Hadith 1358