The Book of Funerals
21/2. Chapter:
Praying For Death
Sunan an-Nasai
أَخْبَرَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، قَالَ حَدَّثَنِي قَيْسٌ، قَالَ دَخَلْتُ عَلَى خَبَّابٍ وَقَدِ اكْتَوَى فِي بَطْنِهِ سَبْعًا وَقَالَ لَوْلاَ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَانَا أَنْ نَدْعُوَ بِالْمَوْتِ دَعَوْتُ بِهِ .
Qais said: "I entered upon Khabbab when he had been cauterized on his stomach seven times. He said: 'Were it not that the Messenger of Allah forbade us to pray for death, I would have prayed for it."'
Reference : Sunan an-Nasa'i 1823In-book reference : Book 21, Hadith 6English translation : Vol. 3, Book 21, Hadith 1824