"do not sit on graves."
Sunan an-Nasa'i Book 21, Hadith 228
← Previous Hadith "The Messenger of Allah said: 'If any one of you were to sit on a live coal until it burns his garment, that would be better for him than sitting on a grave."

Sunan an-Nasa'i Book 21, Hadith 227 Next Hadith → "May Allah curse people who take the graves of their prophets as Masjids."

Sunan an-Nasa'i Book 21, Hadith 229