Hadithcore
Mishkat al-Masabih, 1595

Abu Huraira reported God’s messenger as saying, “He who dies of an illness dies as a martyr, or he will be guarded from the trial in the grave, and will have his provision brought him morning and evening from paradise." Ibn Majah and BaihaqI, in <i>Shu'ab al-iman</i>, transmitted it.

وَعَنْ أَبِي هُرَيْرَةَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ مَاتَ مَرِيضًا مَاتَ شَهِيدًا أَوْ وُقِيَ فِتْنَةَ الْقَبْرِ وَغُدِيَ وَرِيحَ عَلَيْهِ بِرِزْقِهِ مِنَ الْجَنَّةِ» . رَوَاهُ ابْنُ مَاجَهْ وَالْبَيْهَقِيُّ فِي شُعَبِ الْإِيمَانِ

References1 variant
In-Book Reference
Book 5, Hadith 72