These pillows are specially designed to improve comfort, reduce mask leaks and enhance overall CPAP therapy effectiveness. CPAP pillows are designed with cutouts and contours to accommodate the CPAP mask and tubing, helping to reduce pressure on the face and enhance comfort levels. CPAP pillows provide proper support for the head, neck and spine to promote better sleep posture while reducing neck and shoulder pain. Most are also designed to allow you to sleep in various sleep positions. All these benefits lead to better and more restful sleep.