Breathable knitted fabric and buckwheat hull filling of the buckwheat neck pillow promote air circulation, preventing overheating during extended sleep sessions. Soft skin-friendly knitted fabric of the buckwheat pillow for neck pain features moisture-wicking properties, ensuring a comfortable feel without sagging even after long-term use. Removable and machine-washable cover of the buckwheat pillow for neck pain makes cleaning hassle-free, keeping the pillow fresh and hygienic with regular care. Adjustable height design of the buckwheat neck pillow allows users to add or remove buckwheat hulls via an independent inner core with a zipper, catering to personalized comfort needs. Ergonomic curved bone-shaped buckwheat neck pillow naturally fits the neck curve, helping to relax neck muscles and boost overall sleep comfort.