Al-Kāfi

Hadith 2269
prostration
الْحُسَيْنُ بْنُ مُحَمَّدٍ عَنْ مُعَلَّى بْنِ مُحَمَّدٍ وَ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ جَمِيعاً عَنِ الْحَسَنِ بْنِ عَلِيٍّ عَنْ أَبِي الْحَسَنِ ( عليه السلام ) قَالَ كَانَ يُعْرَفُ مَوْضِعُ سُجُودِ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) بِطِيبِ رِيحِهِ .
11. Al-Husayn ibn Muhammad has narrated from Mu‘alla’ ibn Muhammad and a number of our people have narrated from Sahl ibn Ziyad all from al-Hassan ibn Ali who narrated that Abil Hasan (a.s.) who has said the following: “One could recognize the [place of Sujud (prostrations)] of abu ‘Abd Allah (a.s.), because of its perfumes.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī