Muwatta Malik 160
موطأ مالك#160SahihYahya related to me from Malik from Abdullah ibn Dinar from Abdullah ibn Umar that the Messenger of Allah, may Allah bless him and grant him peace, said, "Bilal calls the adhan whilst it is still night so eat and drink until Ibn Umm Maktum calls the adhan
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 3:15