I've never had a vision — at least not of the sort that Paul had. I don't know personally, therefore, what you feel the next morning. But it's clear from the story that whatever Paul felt, he felt it so strongly that he and his companions changed their itinerary immediately in response to that vision.
Perhaps this sort of turn-on-a-dime operation is acceptable for a missionary. It's a little hard to imagine in other lines of work, however. Does the salesman staying in Phoenix tell his boss that he decided to change plans and hop on a plane to San Diego instead because he had a vision of a San Diegan in the middle of the night? Of course not. Yet Paul and company instantly pulled up their stakes in Asia Minor, hopped on a boat, and sailed across the Aegean to Macedonia.
It was a majo…