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Images: Helix. Shown size and configuration may vary.

Helix

Dawn Luxe

Name: Helix Dawn Luxe
Brand: Helix

Best for: Firm, for back sleepers

A firm 13.5″ hybrid with lumbar-zoned coils, also made in Short Queen (60 × 74) and RV King (72 × 80).

Good to know: Cooling upgrades and the ErgoAlign hip layer cost extra.

Type: Hybrid
Height: 13.5″
Sizes: 8 ready-made

Firmness, according to reviewersFirm

Pick it if

You sleep on your back
You sleep on your stomach
You’re a heavier person
You sit on the edge or use all of it
You sleep hot

Skip it if

You sleep on your side
You’re on the lighter side

From independent reviewers’ findings, credited below.

Your size

72 × 80 in · 13.5″ tall

Where to get it

helixsleep.comQueen $1,999 (sale price) · checked Oct 17 See price
For heavier peopleReviewers: Well suited to heavier sleepers See the list

Returns: 365 nights (product page) Details

We may earn a commission if you buy. Check the price for your exact size and height on the seller’s site.

The short version

Worth a look if

Firm, for back sleepers

Good

A firm 13.5″ hybrid with lumbar-zoned coils, also made in Short Queen (60 × 74) and RV King (72 × 80).
Trial: 365 nights (product page)
Height: 13.5″
Sizes: Twin, Twin XL, Full, Queen, King, Cal King, Short Queen, RV King

Think about

Cooling upgrades and the ErgoAlign hip layer cost extra.
No owner reviews we could verify yet

Based on the maker’s published specs and terms, and the owner reviews linked below. We haven’t slept on it. Something wrong? Tell us.

What owners say

No owner reviews we can verify yet A small set of real reviews, each linked to its source. Not a star rating.

Not researched in this pass.

What people liked

No supported praise summary in the sample.

What to weigh up

No substantive concern verified in this small sample. This is a gap in the evidence, not proof of no drawbacks.

What independent reviewers found

NapLab (Oct 2026): Firm with a balanced rather than floating feel; well suited to back, stomach, and heavier sleepers, while lighter side sleepers should look elsewhere. Edge support was excellent, cooling was strong even without the cooling cover, and motion peaks were low though movement took a while to settle; smell faded in a few days. Results reflect an earlier layer build; Helix changed materials as of Sept 2026. Size not stated (queen pricing used). Affiliate links disclosed on page. Read it ↗
Mattress Clarity (Oct 2026): Firmer than typical medium-firm with a bouncy feel; the tester found it best for stomach sleeping and too firm for most side sleepers. Edges felt secure, motion transfer was minimal, it did not sleep hot, and odor cleared in about two days. Tested with the optional GlacioTex cover; size not stated. Page conflicts on trial/warranty and on back-sleeper fit. Affiliate links disclosed on page. Read it ↗
Sleep Foundation (Apr 2026): The firmest Luxe model in testing, with the strongest edges in the line and the best temperature control; favored by back and stomach sleepers of average weight and up. Testers noticed more motion transfer and less cushioning than on softer Luxe models. Collection review of the Helix Luxe line with a per-model section for Dawn Luxe; size not stated. Affiliate links disclosed on page. Read it ↗

Their testing, in our words. We haven’t tested these mattresses ourselves, and we don’t repeat their scores.

Sources & sample limits

No owner sources opened for this model. Sample: 0 owner reports.

Owner feedback was not researched; only helixsleep.com was read. The product page shows brand-hosted reviews, which are not used.

Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.

Every size it comes in

RV king72 × 80 in13.5″Short queen · 74-inch60 × 74 in13.5″Twin38 × 75 in13.5″Twin XL38 × 80 in13.5″Full · 54-inch54 × 75 in13.5″Queen60 × 80 in13.5″King76 × 80 in13.5″California king72 × 84 in13.5″

Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it.

Video reviews

Dawn Luxe · Review

Helix Dawn Luxe Review - Updated Version Tested

NapLab · YouTube ↗

How it compares

Beside the most similar mattresses from other brands.

	Dawn LuxeHelix	Elite HybridBear	Elite Ultra HybridBear	Pro HybridBear
Type	Hybrid	Hybrid	Hybrid	Hybrid
Queen price	$1,999	$1,599	$2,129	$1,299
Height	13.5″	14″	13.5″	13″
Trial	365 nights	365 nights	365 nights	365 nights
Odd sizes	2	None	None	None
Expert reviews	3	3	2	4

What’s inside

1TENCEL cover (optional GlacioTex Cooling Cover, CoolForce layer, or GlacioTex + Cooling Ribbons)
2Gel memory foam
3SupremeSupport 4.0 memory foam
4Helix Premium Responsive Foam (firm)
5Optional ErgoAlign extra-firm hip segment
6Helix Premium Responsive Foam back & stomach layer
7Reinforced lumbar wrapped coils (up to 1,000), reinforced under the hips and around the full perimeter
8DuraDense base foam

Feel: Firm
Height: 13.5″
Custom sizes: Not offered for this model

Complete the bed

Odd sizes need everything else in the same inches. Here’s what we have for this mattress’s odd sizes.

RV king · 72 × 80

Short queen · 74-inch · 60 × 74

Returns and ordering

Trial and returns

365 nights (product page)

Before you order

Measure inside the frame, not the old mattress
Check clearance above for the height you pick
Make sure your base supports it
Buy sheets in the same exact size

Questions

What is it made of?

13.5″ Luxe-collection hybrid for back and stomach sleepers who want a firm bed. TENCEL cover over gel memory foam, SupremeSupport 4.0 memory foam and Premium Responsive Foam, with reinforced lumbar coils and a DuraDense base. Cooling cover options (including GlacioTex with Cooling Ribbons) and ErgoAlign are paid add-ons.

How firm is it?

Firm That’s the maker’s description; we haven’t measured it.

Which sizes and heights can I get?

8 sizes, 13.5″. See every size. Confirm your exact size and height with the seller.

Are the reviews about this exact mattress?

No owner reviews we can verify yet. Owner feedback was not researched; only helixsleep.com was read. The product page shows brand-hosted reviews, which are not used.

Where did this information come from?