Sunan an-Nasa'i 3162
سنن النسائي#3162Sahihأَخْبَرَنَا يُونُسُ بْنُ عَبْدِ الأَعْلَى، قَالَ حَدَّثَنَا ابْنُ وَهْبٍ، قَالَ حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ شُرَيْحٍ، أَنَّ سَهْلَ بْنَ أَبِي أُمَامَةَ بْنِ سَهْلِ بْنِ حُنَيْفٍ، حَدَّثَهُ عَنْ أَبِيهِ، عَنْ جَدِّهِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " مَنْ سَأَلَ اللَّهَ عَزَّ وَجَلَّ الشَّهَادَةَ بِصِدْقٍ بَلَّغَهُ اللَّهُ مَنَازِلَ الشُّهَدَاءِ وَإِنْ مَاتَ عَلَى فِرَاشِهِ " .
Sahl bin Abi Umamah bin Sahl bin Hunaif narrated from his father, from his grandfather, that the Messenger of Allah (ﷺ) said:"Whoever asks Allah, the mighty and Sublime, sincerely for martyrdom, Allah will cause him to reach the status of the martyrs even of he dies in his bed
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 25:78