Short story where you get younger after you die?

I read a short story sometime a few years(?) ago about a world where when you die, you "bounce," and start getting younger, until you reach infancy and are unborn. It was a collection of even shorter stories about people bouncing. The first was about an old man bouncing himself in a hospital stairwell right after his wife bounced, so that they could grow young together again. Another one was a young adult who got bounced in a firework accident with friends. Another one was a woman who bounced in her sleep and didn't realize. There might have been more, but the last one was someone working in a hospice care setting for people who had become babies again, watching someone be unborn. I remember enough about it that I feel like I should be able to find it, but I don't even know if I read it online, in a book, in a magazine, etc. It might even have been a Tumblr post? Thanks in advance!