Helix is the mattress brand that solves a problem most brands ignore: no single firmness fits everyone, so Helix sells six core models instead of one, spread from plush to firm, and points you at one with a sleep quiz. After sleeping on the Dusk and the Midnight for weeks each, our verdict is that the approach genuinely works. For most side sleepers the Helix Midnight is the pick, stomach and back sleepers should look at the Dawn or Dusk, and the coil hybrid build sleeps cooler and holds up better at the edges than the all-foam beds undercutting it on price.
The honest caveat is complexity. Six model names, Luxe upgrades of each, a Plus model, and an Elite tier add decision fatigue to a purchase that is already exhausting, and Helix runs percent-off promotions often enough that the list price is fiction. Verify current pricing before you judge the value. And we are reviewers, not sleep clinicians: a mattress can change how comfortable your nights feel, but persistent back pain or a sleep disorder is a conversation for your doctor, not a checkout button.
This review walks the full core lineup, explains what the quiz actually does, and tells you which model fits which sleeper, based on our own nights on the two most popular models and the spec sheets and public policies for the rest.
How We Tested the Helix Lineup

We bought the Helix Midnight and the Helix Dusk at full retail with our own money and slept on each for weeks of real nights, through the break-in period Helix itself asks you to allow. We sat on the edges every evening, noted how the coils handled a restless partner, and paid attention to temperature as the seasons turned. For the models we did not sleep on, the Sunset, Moonlight, Twilight, and Dawn, we worked from the published firmness targets, the construction specs Helix lists publicly, and the trial and warranty terms on the company's own pages. We did not assign numbers to beds we did not sleep on, and where our experience runs out, we say so.
The Six Core Models, Softest to Firmest
Helix's core line covers the firmness spectrum in six steps. The names are easy to confuse, so here is the lineup as it stands at the time of writing, with the sleeper each model is built for. Confirm the current lineup on Helix's site before ordering, because brands rearrange collections more often than they admit.
| Model | Firmness Direction | Best Fit |
|---|---|---|
| Sunset | Softest of the six | Side sleepers who want maximum plush and pressure relief |
| Moonlight | Medium soft | Lighter side and combination sleepers |
| Midnight | Medium firm | The flagship for average-weight side and combo sleepers |
| Dusk | Medium firm, a touch firmer feel | Back sleepers and people who flip between back and side |
| Twilight | Firm | Back sleepers who want more support than the Dusk |
| Dawn | Firmest of the six | Stomach sleepers and firm-preference back sleepers |
Each model also comes in a Luxe version with thicker comfort layers and a fancier cover, and the Plus model is built specifically for heavier bodies, with stronger coils and more support, in its own range of firmness levels. We slept on the Midnight and the Dusk. The Midnight is the one we would hand to most side sleepers first: enough give at the shoulder to stop the numb-arm problem, enough coil support underneath to stop the hammock feeling. The Dusk ran slightly firmer in our nights on it, which back sleepers on our team preferred. We cannot speak to the other four from personal nights, and the table above leans on Helix's published targets rather than our own testing.
The Sleep Quiz Is Marketing, but It Mostly Works
Helix pushes a sleep quiz that asks your height, weight, sleep position, and a few preference questions, then recommends one model. Is this genuinely helpful or just a funnel? Based on our experience and on our best mattress guide, where our stomach-sleeper tester took the quiz and was pointed at the Dawn, the answer is mostly the good version: the quiz is essentially a firmness calculator with a nicer interface, and it pointed our testers at the beds their positions actually called for. It failed our trickiest case, a stomach sleeper who also sleeps hot, because the quiz optimizes for firmness first and temperature second. Use the quiz as a starting point, then sanity-check its answer against the table above. If the quiz says Midnight and you know you sleep on your stomach, distrust it.
Hybrid Construction Is Where Helix Beats the All-Foam Value Picks
Every core Helix is a hybrid: pocketed coils underneath, foam comfort layers on top. That matters against the all-foam value picks for two reasons. First, coils let air move through the bed, so body heat does not pool the way it does in dense memory foam; our hot-weather nights on the Midnight were noticeably cooler than on comparable all-foam beds we have tested, though it does not match the genuinely different cooling of something like Purple's gel grid. Second, the coil perimeter makes the edges usable. You can sit on the side of a Helix to put your shoes on without the mattress folding under you, which is a nightly detail all-foam beds get wrong. Motion transfer is respectable for a hybrid, though a light-sleeping partner will feel more movement than on a dense foam bed like the Nectar, our value-tier benchmark from the Nectar review.
Heavier Sleepers and Couples Have Real Options Here
Two Helix features rarely make the ads but matter in real bedrooms. The Plus model is designed for sleepers roughly over 230 pounds, with a reinforced coil unit and firmer options, which most bed-in-a-box brands simply do not offer; most lines treat heavier bodies as an afterthought. And for couples who disagree on firmness, Helix offers a split or dual-firmness build, where one mattress ships with different firmness levels on each half. That is the cleanest fix for the firmness argument we have tested, short of two twin beds pushed together, and it spares you the compromise mattress neither partner loves. If you share a bed with very different builds or preferences, these two options are reason enough to shortlist Helix.
Trial, Warranty, and the Truth About Helix Pricing
The policy facts, straight from Helix's own published terms: a 100-night trial, a 10-year limited warranty, and free shipping and returns on the standard models. The trial is the industry floor rather than the generous end; Nectar and DreamCloud offer full years, which matters because most bodies need three to four weeks just to stop comparing a new bed to the old one. On price, Helix's list prices are essentially decorative. The brand runs sitewide percent-off promotions almost continuously, so the realistic checkout price is well below list, and it changes often. Verify current pricing before you compare Helix to anything, and never pay a "full" mattress price from any brand that advertises sales this aggressively.
The bottom line: for most side sleepers, buy the Helix Midnight on promotion and sleep on it for the full 100-night trial, while stomach and back sleepers should steer to the Dawn or Dusk and heavier sleepers should start with the Plus.