‏الصلاة : Hadeeth No:2122 Abu Marthad al-Ghanawi reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Do not pray facing towards the graves, and do not sit on them....

‏الحج : Hadeeth No:2732 Ka'b b. 'Ujra (Allaah be pleased with him) reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) came to me on the occasion of Hudaibiya and I was kindling fire under my cooking pot and lice were creeping on my face. Thereupon he (the Prophet) said: Do the vermins harm your head? I said: ...