Gregory the Dialogist

Then He openeth the ears of men, and teaching, instructeth them with discipline. For when they are dead to outward objects, they hear with open ears the causes which come before their inward judgment. And when they consider minutely with themselves either their open punishments, or their secret judgments, they cease not to afflict themselves with tears. …

Morals on the Book of Job, Book XXIII ↗

Thomas Aquinas

Third, he places the divine action in the one sleeping, which is characterized first by the fact that, when the exterior senses have been immobilized in deep sleep and a man is resting quietly in bed, a certain ability is divinely given to a man to perceive divine instruction because his spirit is not preoccupied with exterior things, and so he says, "then he opens the ears of men." By "ears" he fittingly enough expresses the ability to perceive divine instruction in dreams because he speaks about this kind of instruction like a kind …

Commentary on Job ↗