Sunan an-Nasa'i 2163
سنن النسائي#2163SahihIt was narrated that AL-'Irbad bin Sariyah said:"I heard the Messenger of Allah inviting people to have Sahur in Ramadan. He said: 'Come to the blessed breakfast." (Hasan) Chatper 26. Calling Sahur "Ghada" (Breakfast)
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 ZaiIsnaad Hasan
In-book reference: 22:74