Surah Ar-Rum 30:23

وَمِنْ ءَايَـٰتِهِۦ مَنَامُكُم بِٱلَّيْلِ وَٱلنَّهَارِ وَٱبْتِغَآؤُكُم مِّن فَضْلِهِۦٓ ۚ إِنَّ فِى ذَٰلِكَ لَـَٔايَـٰتٍ لِّقَوْمٍ يَسْمَعُونَ

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.

Translation: Saheeh International

Tafsir

And of His signs is your sleep by night and day by His will as a repose for you and your seeking during the day of His bounty in other words your going about freely in order to seek a living is by His will. …

Excerpt from Tafsir al-Jalalayn, commentary on 30:23, via Quran.com. The reader has the full commentary and 9 more tafsirs.