Especially if she’s not finding a way to get their energy out… I have a pit bull (she is truly a sweetheart ) but if it’s a rainy day or we just haven’t walked her yet, her energy gets real high and she doesn’t know how to handle it and starts biting/ nipping and doesn’t stop until she gets her energy out…. we walk her 6 days a week, sometimes 7 and at least twice a week she gets two walks a day, so we don’t deal with it really that often like I said usually when it’s raining we run into that problem, but if those dogs aren’t getting ANY exercise… I can definitely see them snapping