We often see low pain sensitivity in dogs that have been bred for this trait. (dogfencediy.com)
The system is designed for low pain sensitivity dogs, and very large dogs that require a stronger correction than can be provided by a standard collar. (dogfencediy.com)
In another study, volunteers coping with a 2 - hour nightly regimen experienced heightened pain sensitivity — a common symptom of sleep deprivation. (parentingscience.com)