حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ حَدَّثَنَا سَعِيدٌ عَنْ قَتَادَةَ عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ عَنِ ابْنِ عُمَرَ عَنْ عُمَرَ رَضِيَ اللَّهُ عَنْهُ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ الْمَيِّتُ يُعَذَّبُ فِي قَبْرِهِ بِمَا نِيحَ عَلَيْهِ
مسند امام احمد بن حنبل · Hadith 366
It was narrated from Ibn 'Umar, from 'Umar, that the Prophet (PBUH) said: "The deceased is tormented in his grave because of the wailing over him."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020