Chondrodermatitis nodularis helicis ... Specialty pillows that have a hole in them where the ear would otherwise be flattened against the pillowcase are sold specifically for people that have CNH.

Chondrodermatitis nodularis helicis — or CNH for short — is a condition that affects your outer ear. ... Use a soft pillow or cut a hole in your pillow to relieve pressure on your ear.

The skin conditions chondrodermatitis nodularis helicis or CNH affects the cartilage in the ear. ... Make a hole in the pillow around the ear area to reduce pressure or buy a special cushion for CNH.