en_tn_lite_do_not_use/dan/04/04.md

I was living happily ... in my palace

These two phrases mean basically the same thing. (See: rc://en/ta/man/translate/figs-doublet)

But a dream I had ... my mind troubled me

Both "dream" and "visions" are parallel because they mean the same thing. Also, "afraid" and "troubled me" are parallel. (See: rc://en/ta/man/translate/figs-parallelism)

all the men of Babylon who had wisdom​

"all the wise men of Babylon"