Tomorrow Sleep and Helix both sell multiple options for mattresses, directly online. Helix personalizes mattresses based on how customers answer questions in a quiz format, while Tomorrow Sleep sells just two firmness options. Here’s how the mattresses compare, so you can find the best option for you.
- Both offer multiple firmness options that are all 10 inches thick.
- They are sold at similar prices. ($550-1,150 for Tomorrow Sleep, $600-$1,245 for Helix)
- Both have free shipping and 100-night free trials.
- Both incorporate pocketed coils somewhere in the construction.
- Helix has more firmness options to choose from.
- Helix lets you split a mattress into different constructions to accommodate couples with different sleep preferences.
- Tomorrow Sleep sells a Medium Firm and Medium Soft mattress.
- Tomorrow Sleep uses memory foam, while Helix uses a non-latex foam that feels like latex.
- Tomorrow Sleep uses springs as the support system, while Helix uses poly foam
Tomorrow Sleep Construction
- Tomorrow Sleep’s Medium Soft and Medium Firm versions have similar construction.
- The cover is made of polyester and nylon and doesn’t affect the overall feel of the mattress significantly.
- The top layer is 1 inch of memory foam with phase change material.
- The second is layer is gel foam, which provides comfort and bounce beneath the top layer. This layer is thicker in the Medium Soft option.
- The Medium Firm option has an additional layer of “dynamic response foam” under the gel foam layer. This foam feels similar to memory foam.
- The 6-inch support layer is similar in both firmness levels, and consists of individually pocketed coils. The Medium Firm option uses thicker coils.
- A foam side rail system reinforces edge support.
- At the base of the mattress is 1 inch of stabilizing foam.
- Helix mattresses generally include three similar layers, but differ based on customer personalization.
- The top layer is around 2 inches of Helix Dynamic Foam. This is a latex-like foam that won’t trigger an allergic reaction because it doesn’t actually contain latex.
- A 2.4 inch layer of pocket coils usually makes up the middle layer, giving the mattress some springiness
- Support layers include also a 2 inch layer of comfort polyfoam and 4 inch base layer of dense polyfoam.
- Both mattresses are durable, but I would probably give Tomorrow Sleep the slight edge.
- Both incorporate coils somewhere in the construction.
- Tomorrow Sleep uses memory foam, while Helix uses a foam that feels like latex.
- Helix has more variation in its construction because of its personalization options.
- Tomorrow Sleep has a side rail support system to reinforce edge support.
Watch the videos below to get a sense of how the mattresses respond to pressure. The Tomorrow Sleep video is for the Medium Firm version; the softer version will be softer. The full Helix review demonstrates the springiness and bounce of the latex-like top layer.
Motion Transfer Differences
Tomorrow Sleep, which runs on the soft side, absorbs motion well. Different Helix options will differ in how they transfer or absorb motion, but the latex-like quality of the top layer of foam means Helix may not be quite as good at Tomorrow Sleep at isolating movement on the mattress. That said, Helix is as good or better an option for couples because of its split-firmness option.
Pick Tomorrow Sleep If:
- You like memory foam — Not everyone is a fan of memory foam, but if you like that motion absorbing, quicksand-like feel, you’ll like Tomorrow Sleep.
- You want to sink into your mattress — Tomorrow Sleep is very responsive to pressure and lets you sink into it. You will sleep more “in” than “on” this mattress.
Pick Helix if:
- You don’t know what you want — Helix will figure that out for you with its personalization questions.
- You know exactly what you want — If you want a specific firmness level, Helix can offer it to you with a personalized mattress.
These companies both give buyers multiple options, but differences in materials used mean you’re more likely to get a certain feel from one mattress or the other. If you have any specific questions, please leave them in the comments.
Joe Auer is the editor of Mattress Clarity. He mainly focuses on mattress reviews and oversees the content across the site.
He likes things simple and take a straightforward, objective approach to his reviews. Joe has personally tested nearly 250 mattresses and always recommends people do their research before buying a new bed. He has been testing mattresses for over 5 years now, so he knows a thing or two when it comes to mattress selection. He has been cited as an authority in the industry by a number of large publications.
Joe has an undergraduate degree from Wake Forest University and an MBA from Columbia University.
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