(17) باب الاِسْتِئْذَانِ
It was narrated that Ali said:
"I had two times of visiting the Messenger of Allah(ﷺ), at night and during the day. If I came to him when he was praying, he would clear his throat (to let me know he was praying)." (JA)
Reference (JA): Sunan Ibn Majah 3708 (JA)
In-book reference (JA): Book 33, Hadith 52 (JA)
English translation (JA): Vol. 5, Book 33, Hadith 3708 (JA)