en_tn/job/33/15.md

a dream ... a vision of the night

These phrases have the same meaning. (See: rc://en/ta/man/translate/figs-parallelism)

when deep sleep falls upon men, in slumber on the bed

This speaks of people being in a deep sleep as if the sleep fell upon them or overcame them. AT: "when people are fully asleep on their bed" (See: rc://en/ta/man/translate/figs-metaphor)