iSideSleep Topper &ndash; Side Sleeping Comfort to Reduce Snoring & Shoulder Pain. Made in the USA. FREE SHIPPING Designed specifically for side sleeping comfort and to be used on top of your existing mattress. Reduces pain on the shoulder and arm and allows you to sleep more comfortably on your side. The mild incline helps reduce acid reflux and nasal congestion while better aligning the neck and spine. Side Sleeping is recommended to reduce snoring making iSideSleep an effective, natural solution to snoring. Removable and washable cover for easy cleaning. High quality foam for superior comfort.