Bottom line
Cushioned pressure relief for side sleepers with strong cooling options. Paid upgrades change the mattress and need separate comparison.
What the research suggests
- Reported
- Results vary
- Not enough public information
The clearest repeated fit signal.
Evidence thins above this range.
Findings depend on the cover and test method.
Most methods are favorable, but not identical.
Pressure relief is documented; treatment is not.
A deeper, plusher build than Midnight Core.
Where this score comes from
How the score context was built
Ratings for the Helix Midnight Luxe model lineCurrent Helix Midnight Luxe context; reviewed samples may differ by profile, cover, support option, or production version.
94.3/100 is the median of 3 current editorial scores for Helix Midnight Luxe. Source scopes are shown separately because the reviewed cover and profile are not identical. It is family context, not an exact score for every configuration.
0 exact-configuration scores · 3 family-level scores
No exact sample table is shown
Published ratings used
Average-weight side sleepers prioritizing shoulder and hip pressure relief.
Couples seeking strong motion damping plus full-perimeter edge support.
People who like a cushioned, moderately sink-in pillow-top feel.
Most stomach sleepers and heavier back sleepers may need firmer support.
People who dislike sink or want effortless repositioning may prefer a more buoyant mattress.
The standard Tencel configuration is not the same as GlacioTex or CoolForce; review claims must identify the cover.
The reviewed sources name 7 components for Helix Midnight Luxe, but do not support one reliable top-to-bottom sequence. No cut-open layer stack is shown because that would imply evidence we do not have.
This file covers the current U.S. Helix Midnight Luxe at 13.5 inches with Tencel and the Luxe support layer. GlacioTex, GlacioTex plus CoolForce, and ErgoAlign are excluded because they change the material stack and price. We have not physically tested or opened it.
Editorial synthesis
Evidence behind the conclusion
Cushioned pressure relief for side sleepers with strong cooling options. Paid upgrades change the mattress and need separate comparison.
Among these five examples, the redesigned Midnight Luxe has the best current independent sample match: RTINGS tested the 2025 generation, and Tom’s Guide published an updated 2026 review of a standard Tencel model while separately trying ErgoAlign. The official page discloses one meaningful density, 4 lb/ft³ for SupremeSupport 4.0 memory foam, and explicitly says fiberglass-free. Independent testing supports pressure relief, edge support, and cooling. Motion damping was good overall but not uniform across methods: RTINGS scored it 8.2, while Tom’s Guide rated it 3.5/5 and measured slower decay. The sink-in feel also made repositioning harder for some testers.
Who the cited evidence may support
These are research signals, not a comfort guarantee.
- Average-weight side sleepers prioritizing shoulder and hip pressure relief.
- Couples seeking strong motion damping plus full-perimeter edge support.
- People who like a cushioned, moderately sink-in pillow-top feel.
- Shoppers who want a current independent lab teardown aligned to the 2025 generation.
What to check before choosing
These limitations may change whether the mattress fits.
- Most stomach sleepers and heavier back sleepers may need firmer support.
- People who dislike sink or want effortless repositioning may prefer a more buoyant mattress.
- The standard Tencel configuration is not the same as GlacioTex or CoolForce; review claims must identify the cover.
- The limited lifetime warranty becomes prorated after year 10.
High confidence in current configuration, height, weights, 4 lb memory-foam density, trial, warranty, CertiPUR-US, and no-fiberglass claim; medium-high confidence in performance because two current independent programs tested the redesigned generation.
Identity and core facts
At a glance
- Exact record
- OfficialHelix Midnight Luxe · 13.5"
Tencel cover + Luxe support layer.
1 - Type
- OfficialPillow-top foam-and-pocket-coil hybrid1
- Brand firmness
- OfficialMedium · 6/101
- Profile
- Official13.5"1
- Queen weight
- Official115 lb1
- Manufacturing
- OfficialAssembled in Arizona
Helix says it pours foams, makes coils, and hand-assembles mattresses there.
1 - Price
- Not found / unresolvedVerify the exact configuration on the official page
Price is not treated as a durable specification. Confirm the cover, support option, selected size, promotion, and checkout price before purchase.
1 - Configuration exclusions
- AnalysisNo GlacioTex; no CoolForce; no ErgoAlign
Each paid option needs its own component-aware record.
1
Named components
Published component map
The official page names these components but does not render one reliable top-to-bottom sequence. They are not numbered as a confirmed stack. This is not our teardown or independent verification of composition.
- •
- •Not found / unresolved
Gel memory foam
Helix-exclusive gel memory foam poured in Arizona.
Provides the initial contouring layer. One duplicated product-page branch calls it copper gel memory foam, creating a wording inconsistency.
1 - •Official
SupremeSupport 4.0 memory foam
Proprietary 4 lb/ft³ memory foam manufactured in-house.
Adds dense contouring and support. This is the only explicitly published foam-density value in the stack.
1 - •Not found / unresolved
Custom firmness layer
Premium Responsive Foam tuned for a medium feel.
Balances the slower memory foams with quicker response. Thickness and density are not disclosed.
1 - •Official
Side-sleeper support layer
Premium Responsive Foam designed for side sleepers and position changers.
Transitions pressure from the comfort foams into the coil unit.
1 - •Official
Zoned pocketed coils
Up to 1,000 individually wrapped coils with reinforced lumbar section and full perimeter.
Adds lumbar zoning and edge stability across all sides. Exact Queen count and gauges are not published.
1 - •Not found / unresolved
DuraDense base foam
Stable polyurethane base foam.
Anchors the coil unit. Thickness and density are not published.
1
Chemicals and claims
Materials & certifications
CertiPUR-US
Helix states its foams are CertiPUR-US certified1
Fiberglass
Brand explicitly says free from fiberglassWe did not independently open the mattress.
1SupremeSupport density
4 lb/ft³Helix explicitly publishes this value. It does not disclose density for every other foam.
1
Tencel cover
Helix identifies the standard cover as eucalyptus-derived TencelExact fiber percentage and a component certificate were not found on the reviewed page.
1Whole-mattress emissions certification
Not found1Flame-barrier composition
Not foundThe page says fiberglass-free but does not identify the barrier material.
1Gel-foam wording
Official page is internally inconsistentOne branch says Gel Memory Foam; another duplicated branch says Copper Gel Memory Foam. The selected standard configuration needs written SKU confirmation if this distinction matters.
1Representative editorial textures for orientation only. Nappedia did not inspect a physical material sample.
Brand scale vs measured samples
Firmness evidence
Brand scale
Medium, 6/10.
Manufacturer description.1Current-generation laboratory assessment
Measured Medium at 44 Pa/mm and found moderate sinking and contouring.
Purchased redesigned sample, instrumented testing and teardown.5Current-generation in-home assessment
Described a cloud-like, sink-in medium feel; one tester loved it for side sleeping while another preferred staying more on top of the mattress.
At least three weeks’ sleep plus panel and lab tests; standard Tencel configuration was the primary sample.4Research interpretation
A true medium with more contour and sink than the Classic or Latex Hybrid. Suitability depends as much on feel preference as numeric firmness.
Synthesis; no Nappedia physical test.4, 5Method, sample, and source kept attached
Performance evidence matrix
A result describes a particular test method and sample. When reputable reviewers disagree, this file records the disagreement instead of inventing a consensus score.
Pressure relief
Source-scopedTom’s Guide scored pressure relief 4.5/5 and highlighted shoulder/hip cushioning. RTINGS found strong conformity, particularly for average and heavier side sleepers.
Motion transfer
Source-scopedRTINGS scored motion isolation 8.2. Tom’s Guide rated it 3.5/5: its household tester reported little disturbance, but the drop test measured 2.58-second decay and some bounce.
Edge support
Source-scopedRTINGS scored edge support 9.0. Tom’s Guide scored 4/5: a 25 kg weight sank 5 inches, but roll-off testing still allowed use near the edge.
Cooling
Source-scopedRTINGS scored cooling 8.2 with standard Tencel. Tom’s Guide called temperature regulation decent but suggested the paid GlacioTex option for especially hot sleepers.
Ease of movement
Source-scopedRTINGS found 0.7-second response and good mobility; two Tom’s Guide testers still found the sink-in foams somewhat harder to move through.
Durability evidence
Editorial synthesisThe 4 lb memory foam is a positive disclosed quality signal. Tom’s Guide expects roughly 10 years with care, but that remains a forecast rather than longitudinal proof.
No exact sample table is shown. A version-matched independent measurement set was not located for this mattress. Related family reviews remain in the sources used without being presented as tests of this mattress.
Exact published measurements
Dimensions & weight
8 documented size rows: Twin, Twin XL, Full, Queen, King, and more.
The contract matters
Trial, return, warranty & delivery
- 01Trial120 nights from delivery; 30-day minimum
- 02Return / exchangeFree return or one exchange after break-in
- 03WarrantyLimited lifetime for purchases after 1 Feb 2025
- 04Base requirementFirm, flat support; product page recommends slats ≤3.5 inches apart
- 05ShippingFree boxed shipping in contiguous U.S.
- OfficialTrial
- 120 nights from delivery; 30-day minimum
Direct purchases in the U.S. and Canada; retailer policies can differ.
2, 6 - OfficialReturn / exchange
- Free return or one exchange after break-in
Terms limit exchanges and attach eligibility to customer, household, and/or address.
2, 6 - OfficialWarranty
- Limited lifetime for purchases after 1 Feb 2025
Years 1–10 non-prorated; years 11 onward prorated at 50%, 60%, then 75% of current retail depending on year. Indentation threshold is greater than 1.5 inches, subject to exclusions.
3 - OfficialBase requirement
- Firm, flat support; product page recommends slats ≤3.5 inches apart
Using an improper base can void coverage. Follow the stricter product guidance.
1, 3 - OfficialShipping
- Free boxed shipping in contiguous U.S.
Paid third-party setup/removal is available in eligible areas.
1
Do not mix generations
Previous names & version history
- Pre-Apr 2025
- Apr 2025Independent
Helix redesigned the full range.
The current 13.5-inch Luxe added the SupremeSupport 4.0 layer and expanded cooling/support choices.
7 - 2025 current-generation testIndependent
RTINGS published a dedicated Midnight Luxe 2025 review.
This provides a purchased-sample lab benchmark aligned to the current generation.
5 - May 2026 updateIndependent
Tom’s Guide updated its long-term review and lab results for the current 13.5-inch model.
It distinguishes standard Tencel from paid cooling and ErgoAlign options.
4
Questions found during research
Common questions, answered from the evidence
These themes recur across brand help centers and independent review research: model name, firmness, sizing, construction, base compatibility, materials, and purchase terms. They are not presented as search-volume rankings.
Which exact mattress does this page cover?
This page covers “Helix Midnight Luxe.” Its documented status is 2025 redesign · current U.S. configuration, and the published options are “13.5" · Tencel cover · Luxe support layer.” Findings from another height, firmness, retailer version, or generation are not automatically treated as equivalent. 1
What firmness is documented for this mattress?
Medium, 6/10. Manufacturer description. 1
How tall is this mattress, and which sizes were documented?
The published profile for this mattress is 13.5". Documented sizes: Twin, Twin XL, Full, Queen, King, Cal King, Short Queen, RV King. 1
What is inside this mattress?
Reviewed sources name Tencel pillow-top cover, Gel memory foam, SupremeSupport 4.0 memory foam, Custom firmness layer, Side-sleeper support layer, Zoned pocketed coils, DuraDense base foam, but one reliable top-to-bottom order was not verified. 1, 5
What did the reviewed sources say about fiberglass or the flame barrier?
Brand explicitly says free from fiberglass We did not independently open the mattress. 1
What trial, return, or exchange terms apply to this mattress?
Trial: 120 nights from delivery; 30-day minimum Direct purchases in the U.S. and Canada; retailer policies can differ. Return / exchange: Free return or one exchange after break-in Terms limit exchanges and attach eligibility to customer, household, and/or address. 2, 6
What independent evidence is available, and which configuration did it test?
Tom’s Guide scored pressure relief 4.5/5 and highlighted shoulder/hip cushioning. RTINGS found strong conformity, particularly for average and heavier side sleepers. Current-generation sleep trials, weight/sink tests, and instrumented measurements. 4, 5
The blank spaces are data
What is missing
“Not found” means the fact was not located in the reviewed public sources as of the page review date. It does not prove the feature or material is absent.
- Exact published layer order
- Not unambiguously rendered
The official page names the Tencel top, gel or copper-gel foam wording, SupremeSupport 4.0, responsive foam components, zoned coils, and DuraDense base, but duplicated page blocks do not establish one reliable selected-SKU foam sequence.
1 - Exact Queen coil count and gauges
- Not found
The official page says up to 1,000, not the exact count for each size.
1 - Thickness and density for every foam
- Partially found
SupremeSupport is disclosed at 4 lb/ft³, but other foam thicknesses, densities, and ILDs are not listed.
1 - Flame-barrier material
- Not found1
- Gel vs copper-gel wording
- Official page conflict
Duplicated layer descriptions use both terms. Exact selected-SKU confirmation is needed.
1 - Whole-mattress emissions certification
- Not found1
Open every underlying document
Sources used
Official pages establish what the seller publishes. Independent sources are used for observed performance, measurements, teardowns, and version checks. Neither source class is treated as infallible. No physical test was conducted by Nappedia.
- 1
Helix Sleep · Official product, options, construction, dimensions, and claims
Helix Midnight Luxe product page ↗Accessed 31 Jul 2026 - 2
Helix Sleep Support · Official trial policy
What is the 120 Night Sleep Trial? ↗Accessed 31 Jul 2026 - 3
Helix Sleep · Official warranty contract
Helix Mattress Warranty ↗Accessed 31 Jul 2026 - 4
Tom's Guide · Independent current-generation long-term and lab review
Helix Midnight Luxe Mattress review 2026 ↗Accessed 31 Jul 2026 - 5
RTINGS · Independent current-generation purchased-sample laboratory review
Helix Midnight Luxe 2025 Review ↗Accessed 31 Jul 2026 - 6
Helix Sleep · Official return and exchange terms
Terms & Conditions of Sale ↗Accessed 31 Jul 2026 - 7
Tom's Guide · Independent redesign report
Helix has revamped its entire mattress collection ↗Accessed 31 Jul 2026