Some people may feel discomfort when first using the Cure Pillow.
This is because the curvature of the cervical spine may have been altered, and the surrounding soft tissues—such as muscles, ligaments, and tendons—are tense and stiff.

It takes time and gradual use for improvement and adaptation.
It is also recommended to avoid prolonged forward head posture, maintain proper posture, and stretch the neck and shoulders regularly.