Sunan Abi Dawud, Book 20, Hadith 3104 (USC-MSA) ⓘ
Narrated Ubayd ibn Khalid as-Sulami,: A man from the Companions of the Prophet, said: The narrator Sa'd ibn Ubaydah narrated sometimes from the Prophet and sometimes as a statement of Ubayd (ibn Khalid): The Prophet said: Sudden death is a wrathful catching.
حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ شُعْبَةَ، عَنْ مَنْصُورٍ، عَنْ تَمِيمِ بْنِ سَلَمَةَ، أَوْ سَعْدِ بْنِ عُبَيْدَةَ عَنْ عُبَيْدِ بْنِ خَالِدٍ السُّلَمِيِّ، - رَجُلٍ مِنْ أَصْحَابِ النَّبِيِّ صلى الله عليه وسلم قَالَ مَرَّةً عَنِ النَّبِيِّ صلى الله عليه وسلم ثُمَّ قَالَ مَرَّةً عَنْ عُبَيْدٍ - قَالَ " مَوْتُ الْفَجْأَةِ أَخْذَةُ أَسَفٍ " .
also referenced under: Hadith 3110 (DarusSalam) & Hadith 3104 (Hasan)