Walmart is selling a $238 full-size memory foam mattress for $128, and shoppers say 'it's like floating on a cloud'

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If there's one lesson I can relay to shopping enthusiasts, it's this: the products that change your life are never the ones you have on your wish list. Few people dream about splurging on a new mattress, but it's one of the ways to truly improve the way you sleep. And there are few things quite as priceless as a good night's sleep.

The Mlily Essence Sleep Full-Size Memory Foam Mattress packs a lot of coziness into such a small space. It retails for $238, but Walmart is selling it for $128. Shoppers say it's so comfortable that "it's like sleeping on a cloud."

Mlily Essence Sleep Full-Size Memory Foam Mattress, $128 (was $238) at Walmart

This full-size memory foam is six inches thick and made by Mlily's patented Aero Fusion form for sleepers who prefer a slightly firmer mattress. Its soft jacquard cover is not only gorgeous but also adds a layer of breathability for a sleeping surface that stays cool and comfortable all night long. This will be a Godsend feature once summer rolls around. And with edge-to-edge support, you can set your watch to consistent comfort and stability across the entire mattress. This means you'll enjoy the same level of comfort whether you park in the middle of your bed or are more of an edge sleeper.

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"It's not too firm, not too soft: this mattress is just right!" one shopper said. "This mattress is by far the most comfortable I have ever slept on, especially for the price. It's like floating on a cloud."

Typically, life-changing mattresses will run you at least a couple of hundred dollars. But thanks to this deal, a purchase that would qualify as an investment will be far kinder to your wallet. The $238 Mlily Essence Sleep Full-Size Memory Foam Mattress is on sale for only $128 at Walmart, but only for a limited time.