Sa'd bin Abi Wqqas (RAA) said (during his death illness) ‘Make a lahd for me and cover it with un-burnt bricks, as you did with the grave of the Prophet (ﷺ).’ Related by Muslim.

وَعَنْ سَعْدِ بْنِ أَبِي وَقَّاصٍ ‏- رضى الله عنه ‏- قَالَ: { أَلْحَدُو ا [1]‏ لِي لَحْدًا, وَانْصِبُوا عَلَى اللَّبِنِ نُصْبًا, كَمَا صُنِعَ بِرَسُولِ اللَّهِ ‏- صلى الله عليه وسلم ‏-.‏ } رَوَاهُ مُسْلِم ٌ [2]‏ .‏