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Indeed, that makes sense.
Except for the first paragraph and the last sentence. They all woke up right at the end of the flight, although they did use the ejection. In reality, they shouldn't have slept for even an hour, judging by the time spent on the first layer, and they couldn't have left the first layer at all, since no one was waking them up from the outside. I suppose, after the ejections, they dozed off for the rest of the time "without dreaming"? Skepticism.
What does the fact that one of the participants was in a dream have to do with it? If that were possible, the hero and his wife wouldn't have had any problems; they could have dealt with her, as well as with any other projections.