Persistent itchy bites after sleep may point to a hidden bedroom problem.
There are few things more frustrating than waking up with itchy, swollen bumps that weren't there the night before. While occasional insect bites can happen almost anywhere, repeatedly developing clusters of itchy welts after sleeping may suggest that something in your bedroom deserves closer attention. Although several conditions can cause similar skin reactions, experts say it's important to identify the source before choosing a treatment.