Since we spend a good portion of our lives sleeping, we should make sure we're not cutting corners when shopping for a new mattress. But that also doesn't mean you have to pay top dollar for quality. Right now, one of Amazon’s best-reviewed mattresses, the Zinus Green Tea Memory Foam 10-inch Mattress, is on sale for 10 percent off, bringing the price well below $400.

With more than 111,000 reviews and a 4.5-star rating, this mattress is pretty much universally approved by users. What makes this bed different from many others on the market is the fact that it has multiple layers of different foams. The first layer is 2.5 inches of green tea memory foam, followed by two inches of comfort foam, followed by 5.5 inches of a supportive, high-density foam base. All of these layers help provide a good night’s rest, especially for side sleepers. In addition, the green tea memory foam is combined with charcoal to keep the mattress smelling fresh. This mattress is also CertiPUR-US certified, which means it's made with quality materials that aren't harmful to you or the environment.

Buy it on Amazon

One of the best aspects of this mattress is that the setup is effortless. It arrives compressed in a box, and all you have to do is unroll it and let it expand. One reviewer commented that it was fully expanded within 24 hours. “It takes a while to get used to not having the bounce-back of a coil mattress, but we find these very comfortable now as back and side sleepers,” the reviewer said.

This 10-inch king mattress is currently on sale for just $380 on Amazon. If you want it in a different size, Zinus also offers a wide variety to choose from.

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