What is motion isolation and why is it important for couples buying a new mattress?

If you're shopping for a new mattress, a bed's motion isolation is often an afterthought. However, a mattress with good motion isolation can help you and your partner sleep better — but what exactly is motion isolation and why is it so important for couples to consider when buying a new mattress together? Most of this year's best mattresses for all sleepers will have strong motion isolation, as many high-quality mattresses are designed to isolate motion well. However, great motion isolation tends to be found in any all-foam mattress, even budget-friendly ones, so you can find a bed that isolates motion well even if you're on a tight budget.

Here, we'll break down what motion isolation is and why it's important to consider when buying a new mattress. We've also rounded up three deals on mattresses with excellent motion isolation ahead of this year's Labor Day mattress sales and deals. What is motion isolation? Motion isolation refers to a mattress's ability to prevent movement on a particular part of a bed being transferred to other parts of the bed.

This means that any motions happening on one side of the bed will not be felt on the other side. So, for example, if you were lying on the right side of a bed and someone came along and sat down on the left side, you would not feel them doing so. At Tom's Guide, motion isolation tests are included in how we test mattresses .

We measure how well a bed absorbs movement by placing an empty wine glass in the middle of one side of th.