Wouldn't that just mean that, there was someone who was very much like Eliezer Yudkowsky and who remembered being Eliezer Yudkowsky, but woke up and discovered they were no longer Eliezer Yudkowsky?

/me suspects that he just wrote a very confused sentence

It seems to me as though our experience of personal continuity has an awful lot to do with memory... I remember being me, so I'm still the same me. I think.

It feels like there's a wrong question in here somewhere, but I don't know what it is!