insensibility

noun

1. The property of being insensible.

   “What a deal of grief, care, and other harmful excitement does a healthy dulness and cheerful insensibility avoid!”

   “When I recovered I found myself lying on a clean, comfortable bed, while there bent over me a physician and an elderly woman. I learned that I had been found early in the morning in the rear of the house in a state of insensibility, and that the owner of the place […] had caused me to be brought in and placed on the bed.”