Ar-Rum 30:23

وَمِنۡ ءَايَٰتِهِۦ مَنَامُكُم بِٱلَّيۡلِ وَٱلنَّهَارِ وَٱبۡتِغَآؤُكُم مِّن فَضۡلِهِۦٓۚ إِنَّ فِي ذَٰلِكَ لَأٓيَٰتٖ لِّقَوۡمٖ يَسۡمَعُونَ 23

And of His signs is your sleep by night and day and your seeking of His bounty. Indeed in that are signs for a people who listen