I bought this to support my back when I sleep on my side. I used to use several pillows, but they never stayed in place so I ended up losing my support. This pillow is great. I needed one side to be a little bulkier, so I placed a pillow on one end & covered it with a body pillow. There are lots of ways you can "tweak" this pillow. If there was one down side, it's that the cover may not be something you want next to your skin, and finding a cotton cover is impossible. So you have to improvise a little with some pillow cases reconstructed to slide on.