A good mattress topper can breathe new life into an aging mattress by adding a new layer of support and comfort. It is a great option if buying the best mattress on the market is out of your budget. Right now, one of the best mattress toppers is 40% off.

Today only, the Editor's Choice Tempur-Pedic Topper Supreme is on sale for $179. That's $120 off and one of the biggest discounts we've seen on this mattress topper (check out our guide to the best mattress sales for other discounts you can get right now. Plus, check out our predictions on the best Black Friday mattress sales this season).

Even if you already have a mattress listed in our best mattress guide, a good topper can extend the life of your mattress. In this case, we recommend the Tempur Topper Supreme, which allows you to add 3 inches of Tempur's proprietary foam to your existing mattress. It is like purchasing a Tempur mattress.

The Tempur Topper Supreme comes with a hygienic cover that prevents mold, allergens, and dust mite dander. You can also remove the cover and throw it in the washing machine at any time. Plus, it comes with a 10-year warranty.

Click here to see Tempur-Pedic's Deal of the Month.