Surah Al-Qalam, ayah 19

68:19

فَطَافَ عَلَيۡهَا طَآئِفٞ مِّن رَّبِّكَ وَهُمۡ نَآئِمُونَ ١٩

Fatāfa 'alayhā tā'ifum mir rabbika wahum nā'imūn

So there came upon it [i.e., the garden] an affliction from your Lord while they were asleep.