The Canaries travel to the Stadium of Light on Saturday and Hughton remains confident despite their opponents reaching the Capital One Cup semi-final on Tuesday night after a morale-boosting win over Chelsea.
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"With the amount of games that we have over the Christmas period, you have to take one game at a time," he said ahead the weekend's clash.
"Sunderland will be buoyed by their win over Chelsea, but we're in decent form ourselves and that's what we have to focus on.
"We'll need to show the characteristics that we had in the West Brom win if we want to win this weekend."
Recent form has seen Norwich open up a five-point gap on the bottom three and victory on Saturday – combined with other results going their way – could see them move safely into mid-table.