Bruising happens to everyone. Sometimes, you inadvertently run into a door that you’ve avoided a thousand times before and wake up with a black-ish, blue-ish bruise in the morning. Other times, though, you wake up with a bruise that you aren’t sure how you acquired. There are several explanations as to why this happens, and our AFC Urgent Care Sevierville team explains why below. What Is a Bruise? Before learning what may cause ...