While they are generally a nasty bit of business, excessive hairballs may indicate an underlying problem like anxiety or inflammatory bowel disease. Getty Images

The tangled reality of hairballs

I’ve always been a sound sleeper. Garbage trucks? Thunderstorms? Please. But the low, glugging sound of my cat depositing a hairball three rooms away can wrest me from the deepest slumber in an instant. It’s as if that noise is wired directly to the sleep center of my brain. Most cat owners are somewhat familiar […]