Sunan al-Nasa'i The Book of Qiyam Al-Lail (The Night Prayer) and Voluntary Prayers During the Day Abdullah bin 'Abdullah bin al-Harith عبد الله بن عبد الله بن الحارث بن نوفل Abdullah bin Khabbab ibn al-Aratt al-Zuhri ابن شهاب الزهري‎, محمد بن مسلم Amr bin 'Uthman bin Sa'id bin Kahtir عمرو بن عثمان بن سعيد بن كثير Khabbab ibn al-Aratt The Prophet (ﷺ) said: “I passed by the grave of Musa, peace be upon him, and he was praying in his grave.” https://parallelquran.com/hadith/sunan-al-nasai-1638/