37وَآيَةٌ لَهُمُ اللَّيلُ نَسلَخُ مِنهُ النَّهارَ فَإِذا هُم مُظلِمونَMir AneesuddinAnd a sign for them is the night, We cause the day to slip off from it, when (again) they are in darkness.