وَمِن رَحمَتِهِ جَعَلَ لَكُمُ اللَّيلَ وَالنَّهارَ لِتَسكُنوا فيهِ وَلِتَبتَغوا مِن فَضلِهِ وَلَعَلَّكُم تَشكُرونَ

And out of His mercy He made for you the night and the day that you may rest therein and [by day] seek from His bounty and [that] perhaps you will be grateful.