While you sleeping with this leg elevation pillow, the pillow will have true elevation keeping legs above the heart. Great for relieving swelling of feet, reducing edema, attaining spine & coccyx alignment, and supporting your ligaments & muscles. If you are tired, weary, and painful with your legs after sleeping, A leg support pillow can be used as a post-surgery leg support pillow, pre/post-pregnancy pillow, which reduced the swelling&back pain quickly and comfortably, allowing the body to be in a comfortable position. please give the electro leg elevation pillow a try, let it bring great morning time to you.