Genesis 15:12
And when the sun was going down, a deep sleep fell upon Abram; and, lo, an horror of great darkness fell upon him.
Cross-reference
In Genesis 2:21, God causes deep sleep (tardemah) on Adam before forming Eve. Both use divinely-induced deep sleep before God acts to establish a covenant relationship.
In Genesis 28:12, Jacob's dream-vision during sleep parallels Abram's deep sleep as a state for receiving divine revelation.
In Daniel 10:9, hearing God's words causes Daniel to fall into deep sleep with face to the ground. Both show deep sleep overtaking someone during divine encounter.
In Numbers 24:4, Balaam falls into a trance with eyes open, a similar visionary state to Abram's profound, terrifying sleep.
In Daniel 8:18, Daniel falls into a deep sleep on his face when touched by an angel, mirroring Abram's profound sleep before a vision.
In Job 33:15, God speaks through dreams when deep sleep falls on men. Both describe deep sleep as the condition in which God communicates revelation.
In Job 4:13, visions come during deep sleep at night. Both passages link deep sleep with divine encounters or revelations occurring in darkness.
In Job 4:14, dread and trembling seize Eliphaz during a night vision. Both depict dread or terror accompanying a divine encounter during darkness.