Several sleepers turn to knee cushions to boost comfort while sleeping. Knee cushions are small cushions that fit under or between the knees. Using a knee pillow can promote proper spinal alignment, thus reducing back and hip pain. A knee pillow with a strap sticks well between your knees, serving this purpose well. There are various knee cushions in the market, meaning you can find a suitable product. However, this makes it tough to determine which cushion suits you. Below are some points of c...