I came. And in the narration transmitted on the authority of Haddib (the words are): I happened to pass by Moses on the occasion of the Night journey near the red mound (and found him) saying his prayer in his grave.
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ أَتَيْتُ وَفِي رِوَايَةِ هَدَّابٍ مَرَرْتُ عَلَى مُوسَى لَيْلَةَ أُسْرِيَ بِي عِنْدَ الْكَثِيبِ الأَحْمَرِ وَهُوَ قَائِمٌ يُصَلِّي فِي قَبْرِهِ