I’ve read about high level meditators who were “aware” they were asleep too. Not sure why they’d make this up.
Then your mind is booted into a simulation from your memories, instead of being booted into your pillow from your memories.
Functionally not much different to waking up after loosing some time from being blackout drunk.
If you make a backup of my mind every midnight, and at noon one day biological-me faces death, that's still death for noon-me, while also being a way to cheat death from the point of view of the me from 12 hours before.
Restoring your computer from a backup doesn't mean the hard drive never failed, but it is does get you data back.
When you say "die", do you mean clinical (cardiac) death, brain death, legal death, the cessation of internal cellular chemistry in more than n% of cells (which can itself take hours after legal death, but varies by tissue), or the irreversible destruction of the structures within your brain that keep the "you" previously defined existing at all (if you chose a non-soul based answer) or locked to the mundane plane (if you answered "soul")?
If any of your answers involves consciousness, Doerig et al[0] list 13 notable possibilities for what that word means, while Seth & Bayne[1] list 22.
Furthermore, consider the thought experiment of the ship of Theseus, and ask yourself: if you make a sufficiently perfect copy the ship, deliberately loose record of which is the original, destroy one of the two at random, can you see how our language does not allow us to say other than the ship has both been destroyed and survived?
[0] https://www.tandfonline.com/doi/full/10.1080/17588928.2020.1...
Edit: I wonder if cloud brain emulators would censor inappropriate thoughts?
Now you mention it, I'd be surprised if they didn't, given the efforts cultures go to to keep people's inner demons at bay.
So to solve immortality, you gotta replace meat cells with silicone ones, slowly, one percent after another. It'll maintain relative continuity and hopefully will transfer memories and other person traits to the silicone, so one day the brain will be immortal and repairable.
There's a few people interested in the idea of (simplifying a lot) "brain as an antenna receiving the consciousness signals".