﴿ وَءَايَةٌۭ لَّهُمُ ٱلَّيْلُ نَسْلَخُ مِنْهُ ٱلنَّهَارَ فَإِذَا هُم مُّظْلِمُونَ ﴾

“And [of Our sway over all that exists] they have a sign in the night: We withdraw from it the [light of] day - and lo! they are in darkness.”

(A token) a lesson and sign (unto them) to the people of Mecca (is night) the dark night. (We strip it) We clear it (of the day, and lo! they are in darkness) at night.