Surah Al-An'am, Verse 61

وَهُوَ ٱلۡقَاهِرُ فَوۡقَ عِبَادِهِۦۖ وَيُرۡسِلُ عَلَيۡكُمۡ حَفَظَةً حَتَّىٰٓ إِذَا جَآءَ أَحَدَكُمُ ٱلۡمَوۡتُ تَوَفَّتۡهُ رُسُلُنَا وَهُمۡ لَا يُفَرِّطُونَ٦١

wahuwa l-qāhiru fawqa ʿibādihi wayur'silu ʿalaykum ḥafaẓatan ḥattā idhā jāa aḥadakumu l-mawtu tawaffathu rusulunā wahum lā yufarriṭūna

And He is the subjugator over His servants, and He sends over you guardian-angels until, when death comes to one of you, Our messengers [i.e., angels of death] take him, and they do not fail [in their duties].