سَخَّرَها عَلَيهِم سَبعَ لَيالٍ وَثَمانِيَةَ أَيّامٍ حُسومًا فَتَرَى القَومَ فيها صَرعىٰ كَأَنَّهُم أَعجازُ نَخلٍ خاوِيَةٍ

Which Allah imposed upon them for seven nights and eight days in succession, so you would see the people therein fallen as if they were hollow trunks of palm trees.