A reflex act of opening one's mouth on account of boredom or tiredness

Let's find possible answers to "A reflex act of opening one's mouth on account of boredom or tiredness" crossword clue. First of all, we will look for a few extra hints for this entry: A reflex act of opening one's mouth on account of boredom or tiredness. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.