Elisabeth Rosenthal When George Lai of Portland, Oregon, took his toddler son to a pediatrician last summer for a checkup, ...

Some people can't imagine a dog barking or a police siren. Songs can't get stuck in their heads. They have no inner voices.

Check out our picks for the best earplugs for sleeping below. Earplugs cover the ear canal instead of fitting inside, and failing to use them as directed could lodge them in your ear canal&nbsp ...