Sleeptalk

In the depths of the night, a woman awoke to find that her deaf husband is speaking even though he does not speak, and it is a voice unlike his own, which was gentle and kind, and never could he speak harsh because it would hurt his throat, he would needs lozenges to soothe his throat. The strange voice recite strange chants, and tells the woman not to do anything, for it is on a mission and it will brook no interruption. And then she soon understood the horror of what she sees. What did she see?