أَخْبَرَنَا عَلِيُّ بْنُ خَشْرَمٍ، قَالَ حَدَّثَنَا عِيسَى، عَنْ سُلَيْمَانَ التَّيْمِيِّ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ مَرَرْتُ لَيْلَةَ أُسْرِيَ بِي عَلَى مُوسَى عَلَيْهِ السَّلاَمُ وَهُوَ يُصَلِّي فِي قَبْرِهِ ‏"‏ ‏.‏

It was narrated that Anas bin Malik said: "The Messenger of Allah (PBUH) said: 'On the night on which I was taken on the Night Journey, I passed by Musa, peace be upon him, and he was praying in his grave.'" Translation Not Available

Book Ref: Sunan An Nisai Book 20 Hadith 1634
Web Ref:  Sunan An Nisai Vol 2 Book 20 Hadith 1635