Deadness

The state of being destitute of life, vigor, spirit, activity, etc.; dullness; inertness; languor; coldness; vapidness; indifference; as, the deadness of a limb, a body, or a tree; the deadness of an eye; deadness of the affections; the deadness of beer or cider; deadness to the world, and the like.

the quality of being unresponsive; not reacting; as a quality of people, it is marked by a failure to respond quickly or with emotion to people or events; "she began to recover from her numb unresponsiveness after the accident"; "in an instant all the deadness and withdrawal were wiped away"