Solomon’s sleep comes easily

The king slept well and was probably also quite fit!

The fear of the Lord leads to life, So that one may sleep satisfied, untouched by evil.

Proverbs 19:23, like much of the book, is about Solomon’s accountability for his wisdom to govern. Solomon showed no interest in adopting the ideals of Judaism, the first of which is to belief and worship a single God, namely the God of Abraham, identified as creator of the universe.