Writing about Death

We are advised that we write, if we write, about what we know from first hand experience, even if it is a fiction that we write.  So, we write about the death of others as we observed it and wept over it and describe the sorrow we had experienced.  But of dying we can only write from imagination because we are no longer in a position to write after experiencing death first hand, with the exception of a rare instance, of course, of a person writing after having been revived from what was mistakenly taken to be death.