don't I have to have one set of experiences?
What do you mean by "I"?
I think that if you embrace "Dust Theory" then for consistency you must also reject the way of thinking about identity that views the question "of all these future Eitan Zohars, which will be me?" as a sensible one to ask.
You go to sleep. (In this world and many others, in all of which your mind-state including all its memories and current perceptions are identical.) You wake up. (In this world and many others, in all of which your mind-state including all its memories and current perceptions are identical.) If you're worried that in this process you may "jump" into a different world, you should worry exactly the same every second of your waking life.
[EDITED to add the last 6 words of the paragraph beginning "I think"; I must have got distracted while writing this the first time. It looks like I was understood anyway.]
My consciousness only follows one path, so yes, an indeterminate future Eitan Zohar will in fact be me. Since I'm no longer awake to keep the measure of my dominant reality stable, I'm worried that my unconscious mind will create it instead.
Dust theory implies that everything outside of my perception is in flux. Your experiences have to find themselves in a world in which they could have conceivably formed. Of course, you exist in every possible world which would produce that mindstate, but some are 'vaster' than others, leading you down the most probable courses.
Suppose that going to sleep or losing grasp of your surroundings opens a wider space of worlds you could exist in, which jumps you into another reality along with consistent memories of it. I can't figure out if this would be the case, or if my consciousness would most likely just dissolve, with only those beating trillion-to-one odds waking up in the morning. Or maybe my pool of 'experience' stays active when I sleep, even if I'm not aware of it. Either way (though I think Dust Theory is probably false) I'm afraid to go to sleep anymore.
I also do not understand the argument being made here: http://lesswrong.com/lw/1jm/getting_over_dust_theory/. Can someone explain to me please?
I posted these questions on other threads but I didn't get many answers. Sorry.
EDIT: Look, the first question boils down to: does my unconscious mind affect my measure? If so, than it isn't much different from being awake. If not, then all my problems seem to apply.
It occurs to me that not only would signing up for cryonics and then killing yourself before you could sleep is rational under these circumstances, but that the death of the universe can be escaped by simply rearranging your mind to believe it is in a universe where eternal life is possible, then ceasing its activity.