"when a person is placed in his grave and his companions depart from him, he hears the sound of their sandals."  

أَنَّ النَّبِيَّ ﷺ قَالَ إِنَّ الْعَبْدَ إِذَا وُضِعَ فِي قَبْرِهِ وَتَوَلَّى عَنْهُ أَصْحَابُهُ إِنَّهُ لَيَسْمَعُ قَرْعَ نِعَالِهِمْ