Reality is obvious, but, when a person is unconscious due to being over drugged, their breathing will be affected. My dad was totally alert the day he arrived, within 24 hours, he was unconscious because of how drugged up they made him. He did NOT have pain.
When my grandmother went in they explained the push button and said they weren’t regulated like the rest of the hospital because she was dying and really nobody was too concerned about hospice patients developing addictions. I have no idea if she was in pain, she wasn’t the type to say. I think she went in 9 days, just long enough for out of town family to get there. The freedom of admitting the trip is over I think takes more of them faster than any drugs. We talked about how relieved she was just by that, no longer having to fight, let nature take its course.