Al-Kāfi

Hadith 477
angelsdeath
7ـ أَبُو عَلِيٍّ الأشْعَرِيُّ عَنِ الْحَسَنِ بْنِ عَلِيٍّ عَنْ عَبْدِ الله بْنِ الْمُغِيرَةِ عَنْ عُبَيْسِ بْنِ هِشَامٍ عَنْ إِبْرَاهِيمَ بْنِ مِهْزَمٍ عَنْ بَعْضِ أَصْحَابِهِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ مَنْ عَادَ مَرِيضاً وَكَّلَ الله عَزَّ وَجَلَّ بِهِ مَلَكاً يَعُودُهُ فِي قَبْرِهِ.
7. Abu Ali al-Ash’ariy has narrated from al-Hassan ibn Ali from ‘Abd Allah ibn al-Mughirah from ‘Ubays ibn Hisham from Ibrahim ibn Mihzam from certain individuals of his people who has said the following: “Abu ‘Abd Allah (a.s.), has said that if one visits a patient, Allah, the Most Majestic, the Most Glorious, assigns an angel to visit him in his grave.”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī