Muwatta Malik #563
Burials
ahya related to me from Malik that he had heard that AIi ibn Abi
Talib used to rest his head on graves and lie on them.
Malik
said, "As far as we can see ,it is only forbidden to sit on graves to
relieve oneself."
About Muwatta Malik
This hadith is #563 from Muwatta Malik, in the Book of Burials. Muwatta Malik contains 1,985 hadiths across 61 books.