In deep sleep, even though one does not exist as an externally or internally conscious ego, one can report a good nights sleep because a very subtle ego remnant remains, permitting the experience of limitless and bliss.
A mind sourced in Spirit is a river of immeasurable power and life-giving goodness.
When one wakes up in the morning, one's whole life is neatly laid out, consistent with the past, to the degree that we even (apparently) remember the same language spoken the day before, suggesting previous experience had simply entered a dormant state.
In meditation and/or intense life interfaces, our personal view is often superseded by Self's, causing our apparent reality and all of it's limitations to disappear.