Was Scrooge dreaming

In the original book Scrooge goes to the local tavern on his way home for a small libation and a morsel of supper, he spent the night looking through his bankers book. Only at closing time did he make his way back to his home. There is no suggestion that he was under the influence of alcohol at all only that it was late. Therefore its is believed that the "visions" he experienced were in fact real