Muwatta Malik 642
موطأ مالك#642SahihYahya related to me from Malik from Sumayy, the mawla of Abu Bakr, from Abu Bakr ibn Abd ar-Rahman that A'isha and Umm Salama, the wives of the Prophet, may Allah bless him and grant him peace, said, "The Messengerof Allah, may Allah bless him and grant him peace, used to get up in the morning junub from intercourse, not a dream, and would then fast
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: 18:13