I think the OP was hinting at "near death experiences". I can't claim to have had one of those, but like everybody else I've had close shaves from time to time. I remember my old Presbyterian pastor saying in one of his sermons that "Every parent knows that it's only by the grace of God that their children get to live to twenty one".
As for life after death, I don't have a problem with that. I've claimed for years that the night my father died he turned up in my room, and we talked and argued. At the very end he gave one almighty scream and disappeared. A psychiatrist I used to go to said that when he was in a (Catholic) Church they announed one of the parishioners had died that morning. She'd also been one of his patients.
He said "She was in the church!". He could see her and she seemed to be trying to make contact with him. He said she then moved to the other side of the church where he thought she might have had some family members. He was probably the only one who was allowed to see her. I sometimes wonder if that happened because I'd regularly told him about my father turning up, and God decided he should have his own experience to confirm my story.
A lady I met during my last job said that her husband turned up the night he died, sat on the foot of the bed and apologised for the way he'd treated her. Apparently he'd been very abusive. To make it more interesting, her eldest daughter had the very same experience. Of all the kids, he'd been most abusive to her. So he apologised to her as well.
That's three people in my limited social circle who have had "visits" from someone they knew after that person died, including myself. I think that if someone went through the community and asked everybody if they'd experienced something like this, there'd be a lot of people who qualify.
But in our atheist, humanist society which doesn't want to admit God exists, any statement along these lines gets the arrogant, know-it-all response that "You're off your meds!"
They'll find out just how wrong they are in due course.