Not a typo! Cocoon by Sealy's top-rated cooling memory foam mattress is just $271 at Walmart

I'm a mattress tester and I've just spotted the best deal for hot sleepers this 4th of July. Walmart is offering an epic discount on the Cocoon by Sealy Memory Foam Mattress, with a queen just $373 a saving of $426.

I'm a mattress tester and I've just spotted the best deal for hot sleepers this 4th of July. Walmart is offering an epic discount on the Cocoon by Sealy Memory Foam Mattress, with a queen just $373 – a saving of $426.

The Cocoon by Sealy Memory Foam bed is so good that it's earned a place in our best mattress guide. That's because it offers specialist cooling at a budget friendly price, with a heat-wicking cover that will keep you a comfortable temperature even as summer warms up.

If you can't sleep in the heat, this cooling deal from Walmart is among the best 4th of July mattress sales I've seen this year. Read on to discover why I think it's a saving to snap up...

What are the benefits of a cooling mattress?

A cooling mattress does just what you expect it to: it keeps you cool throughout the night. We naturally cool as we get sleepy, which is why it can be so hard to drift off in hot weather. A cooling mattress helps ensure the bed stays an even temperature throughout the night, so you can fall asleep and stay asleep.

Hybrid mattresses are typically best at cooling because the open coils are naturally breathable, but sleep brands are becoming increasingly better at improving temperature regulation in all-foam beds. There are even high tech approaches to cooler sleep – like the Eight Sleep smart cooling mattress cover, now $200 off in the 4th of July sale.

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