Riyad as-Salihin, Book 18, Hadith 1657 (In-Book) ⓘ
'Umar bin Al-Khattab (May Allah be pleased with him) said: The Prophet said, "The deceased is tortured in his grave for bewailing over him."[Al-Bukhari and Muslim].
عن عمر بن الخطاب رضي الله عنه قال: قال النبي صلى الله عليه وسلم : "الميت يُعذب في قبره بما نِيح عليه " . ((متفق عليه)).