Instruct: Classify the given Amazon review into its appropriate rating category
Query: Decent mattress cover.

If you sleep by yourself it's ok. But if you sleep with someone else, you roll together, and with it being memory foam even if you move away the indent is still there and you just slide back together. It also gets really hot. Even with the "gel" it seems to hold heat, and can get uncomfortably warm. Maybe if I went with a smaller thickness.