"Do the people of the cities feel secure that Our punishment will not come to them"—meaning our torment—"at night"—meaning during the night.
﴿أَفَأَمِنَ أَهْلُ الْقُرَى أَنْ يَأْتِيَهُمْ بأسنا﴾ عذابنا ﴿بياتا﴾ يَعْنِي: لَيْلًا.