Sahih
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ سُلَيْمَانَ، عَنْ أَنَسٍ، عَنْ بَعْضِ، أَصْحَابِ النَّبِيِّ صلى الله عليه وسلم أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " لَيْلَةَ أُسْرِيَ بِي مَرَرْتُ عَلَى مُوسَى وَهُوَ يُصَلِّي فِي قَبْرِهِ " .
It was narrated from Anas, from on of the companions of the Prophet (ﷺ), that:The Prophet (ﷺ) said: 'On the night on which I was taken on the Night Journey, I passed by Musa and he was praying in his grave