The dislikeness of offering As-Salat (the prayers) in grave-yards

Sahih al-Bukhari · Book 8 · Hadith 432

حَدَّثَنَا مُسَدَّدٌ، قَالَ حَدَّثَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، قَالَ أَخْبَرَنِي نَافِعٌ، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ اجْعَلُوا فِي بُيُوتِكُمْ مِنْ صَلاَتِكُمْ، وَلاَ تَتَّخِذُوهَا قُبُورًا ‏"‏‏.‏

Narrated Ibn `Umar: The Prophet (ﷺ) had said, "Offer some of your prayers (Nawafil) at home, and do not take your houses as graves."