فَطَافَ عَلَيْهَا طَآئِفٌ مِّن رَّبِّكَ وَهُمْ نَآئِمُونَ

Fatafa AAalayha ta-ifunmin rabbika wahum na-imoon

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