مُسْنَدِ عُمَرَ بْنِ الْخَطَّابِ رَضِيَ اللَّهُ عَنْهُ
2  
Musnad `Umar b. al-Khattab (ra)
Musnad Ahmad 180
lt was narrated from ‘Umar that the Prophet ﷺ said:
“The deceased is tormented in his grave because of the wailing over him.`
حَدَّثَنَا يَحْيَى، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا قَتَادَةُ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنِ ابْنِ عُمَرَ، عَنْ عُمَرَ، رَضِيَ اللَّهُ عَنْهُمَا عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ الْمَيِّتُ يُعَذَّبُ فِي قَبْرِهِ بِالنِّيَاحَةِ عَلَيْهِ‏.‏
Grade: Sahih (Darussalam) [al-Bukhari (1292) and Muslim (927)] (Darussalam)
Reference : Musnad Ahmad 180
In-book reference : Book 2, Hadith 97