Quran

 30:23

وَمِنْ آيَاتِهِ مَنَامُكُمْ بِاللَّيْلِ وَالنَّهَارِ وَابْتِغَاؤُكُمْ مِنْ فَضْلِهِ ۚ إِنَّ فِي ذَٰلِكَ لَآيَاتٍ لِقَوْمٍ يَسْمَعُونَ ﴿٢٣﴾

23. And among His signs is your sleep by night and day, and your pursuit of His bounties. In this are signs for people who listen.