
It’s a common trope to joke about the use/misuse of the Oxford comma - Examples .
So the responder is extending the joke to make it the Oxford “coma”. Since the original person was asking for a long sleep in between life and death, a coma sorta fits their description.








Deflation can be really damaging because it disincentivizes things like investments and longterm projects. Here are a couple of examples:
Essentially, high deflationary pressure causes people to hold their money and not spend it. It’s what happened in Japan around 1990s-2010s resulting in basically negative growth in their economy - Source
Hyper inflation is a similar issue, but on the other end. The value of money is lost so quickly that things like life savings can become worthless due to money losing its value so rapidly.