It can help, but it won't fix a bad base. Foam toppers add a buffer layer, which helps dampen movement, but they work best when paired with a supportive motion isolation mattress underneath.

If you want a motion-isolating mattress, the one mattress type to avoid is the innerspring bed. Innerspring mattresses have open coil systems. These coils are all networked together using steel cables.  This means they cannot move independently of one another and will amplify motion and transfer it all over the sleep surface. Thus, innerspring mattresses do not make the best mattresses for couples. And considering their reduced adaptability and durability, they're not exactly the best mattresses for anyone.

There are several different mattress materials that isolate motion very well. So the one that's right for you just depends on what you're looking to get out of your mattress.  For instance, those looking for fantastic motion isolation and deep compression should consider memory foam mattresses. Memory foam controls motion transfer and adapts to your body shape for ultimate pressure relief. So if you don't move around much while you sleep, check out this material.  Those who like to toss and turn while they sleep should check out latex or hybrid mattresses. If you want an all-foam mattress, l