Our CNET Sleep editors put together this list by rounding up their favorite picks from the more than 300 mattresses they've tested. This list highlights some of the best, but several quality mattresses were close to making it and deserve an honorable mention.

Purple mattress: One of the most popular bed-in-a-box mattresses on the market is the (non-hybrid) Purple mattress. Most people either love it or it's a little too different for them. Its main comfort material is hyper-elastic polymer, which is gel-like and extremely springy. It makes you feel like you're floating, but you can slightly feel the grid of small squares shifting underneath you as you move. It feels pleasant and comfy, and appeals to most sleeping positions, but it's unlike any mattress you've slept on before. Feel free to reach out to Purple for a sample of its special hyper-elastic polymer material. 

Tuft & Needle mattress: Like Casper and Purple, Tuft & Needle started off as a bed-in-a-box brand but has since become so well-known and well-received that you can find the brand's products in popular brick-and-mortar bedding stores. It's a simple and affordable two-layer mattress with a generally comfortable neutral foam feel. It's great if you're looking for a safe pick that won't break the bank. 

Brooklyn Bedding Signature Hybrid mattress: Brooklyn Bedding manufactures its own mattresses, something many mattress brands don't do. It's for this reason I think it's able to sell its beds at such great prices. Its Signature mattress is a basic but quality hybrid mattress with a supportive individually wrapped coil base layer. This makes it ideal for all body types. In addition to that, its three firmness level options make it appealing to all sleeping positions.

DreamCloud mattress: DreamCloud offers luxurious mattresses you can barely believe came out of a box. I personally know two people who sleep on a DreamCloud mattress and they love it. It's made with individually wrapped coils in the base layer for added support and memory foam that's more responsive than the typical material. Not to mention, it's made with premium materials that make it up to par with luxury hotel mattresses.