Mujahid bin Jabir مجاهد بن جبر · The Book of Funerals

"We never saw the Messenger of Allah attend any funeral where he sat down until (the body) was placed (in the grave)."

"We were sitting with the Messenger of Allah when a funeral appeared. The Messenger of Allah said: 'He is relieved and others are relieved of him. When the believer dies he is relieved of the calamities, hardships and troubles of this world, and when the evildoer dies, the people, the land, the trees and the animals are relieved of him."'

The Messenger of Allah used to teach them this supplication as he taught them surahs of the Quran: Allahumma inna na'udhu bika min 'adhabil-qabri wa a'udhu bika min fitnatil-masihid-dajjal, wa a'udhu bika min fitnatil-mahya wal-mamat (O Allah, We seek refuge with You from the torment of Hell, and I seek refuge with You from the torment of the grave, and I seek refuge with You from the trail of Al-Masihid-Dajjal, and I seek refuge with You from the trails of…

"The Messenger of Allah came to me and there was a Jewish woman with me who was saying: 'You will be tested in your graves.' The Messenger of Allah got upset and said: 'Rather the Jews will be tested."' 'Aishah said: "A few nights later, the Messenger of Allah said: 'It has been revealed to me that you will be tested in your graves."' 'Aishah said; "Afterward I heard the Messenger of Allah seeking refuge with Allah from the torment…