Helix Moonlight Mattress Review
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What We Think: The Helix Moonlight mattress is a plush soft mattress great for back sleepers and stomach sleepers. It also offers great alignment for people with back pain. You get a 10-year warranty and a 100-night sleep trial when you buy, so sleeping on the Moonlight is truly risk-free.
Who Is the Moonlight Mattress Best for?
| Moonlight is best for: | Moonlight may not be best for: |
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Helix Moonlight Highlights
Helix is a bed-in-a-box mattress company that crafts high-quality hybrid beds. Their original Helix line consists of six different mattresses designed to fit the needs of every sleeper. The Helix Moonlight is one of the softest Helix beds and it’s designed for back and stomach sleepers.
In this review, we’re going to help you decide if the Helix Moonlight is the best mattress for you by exploring how it performed at the Mattress Advisor lab, its pros and cons, how it compares to the other Helix mattresses, and more.
What We Like:
- The Moonlight is one of the softest mattresses created for stomach and back sleepers, which makes it a good choice for people who require reliable support and ample cushion.
- Thanks to the Moonlight’s hybrid design and cooling cover, it offers exceptional breathability. This makes it a decent mattress for hot sleepers.
- Helix will send you a free mattress topper if you find your new mattress too soft or too firm.
Testing Scores
We use 14 different factors to test mattresses: from your buying experience all the way to your sleep experience. See how the Helix Moonlight mattress did in our lab test below. Read our review process for more information about our testing methodology.
| Mattress Advisor Test | Score (Out of 10) |
| Shipping | 10 |
| Trial Period | 9 |
| Return Policy | 10 |
| Warranty | 9 |
| Set-Up | 8.5 |
| Motion Transfer | 8.15 |
| Edge Support | 7 |
| Pressure Relief | 7.75 |
| Spine Alignment | 9 |
| Responsiveness | 8.5 |
| Cooling | 8 |
| Durability | 8.5 |
| Customer Service | 9 |
| Social Impact | 5 |
⭐Total Score for the Moonlight Mattress: 8.6/10⭐
Pros and Cons
✅ Pros
- Motion Transfer: Helix Moonlight did pretty well in our lab tests, especially wine, Our wine test shows how well the Moonlight mattress isolates motion—the liquid barely moves!
- Cooling: The cooling cover combined with a layer of pocketed coils means the Moonlight mattress allows for great airflow, so your body heat won’t get too trapped in the foam layers.
- Durability: The steel coils plus the high-quality memory foam equal a mattress that should last it’s entire lifespan.
❌ Cons
- Pressure Relief: The Moonlight mattress offers decent pressure relief to stomach and back sleepers, but not so much for side sleepers.
- Edge Support: The plush top layers of the Moonlight make you sink in too far for good edge support.
Responsiveness
Sleepers who toss and turn may want to pay attention to their mattress’s responsiveness. It measures how quickly you can get comfortable after you change positions and how easy it is to move.
Our sleep testers noted that while it was very easy to get comfortable in each new position, the top layer of foam over the springs makes it slightly difficult to change positions, giving it an 8.5 out of 10.
Pressure Relief
Using a pressure map, we saw how much the Helix Moonlight relieved pressure from the back, hips, and shoulders for each sleeping position.
When our testers lie down on their stomach, we noticed almost no pressure in key areas: tons of cool blues and greens.
When they lie on their backs, it was much of the same: all green and blue with little to no pressure.
The problem came when each tester tried lying on their sides. We saw lots of warm yellows and reds in the hips and shoulders, indicating high pressure in these areas. Over time, this could lead to shoulder or hip pain.
Spinal Alignment
How good your mattress’s alignment is can dictate if you wake up with back pain in the morning. We had our testers lie on their sides and stomachs to measure spinal alignment in each position.
When we tried lying on our stomachs, our hips sank in enough to flatten our backs enough for decent stomach alignment.
When we switched to the side, we saw nearly perfect results. Our hips and shoulders sank in just enough to straighten the spine, while our middles did not dip too much in the foam. Take a look for yourself!
Product Details
The Moonlight is a soft mattress, with a firmness that rates at a 2–3 on the 1–10 firmness scale. You’ll feel hugged by the top layer as the transition and support layers minimize excess sagging.
What Sleep Position Does It Best Support?
Moonlight works well for every sleeping position except for side sleepers. Here’s why:
- Stomach sleepers sink in enough to get decent alignment and we see almost no pressure on the chest and hips in this position, making it a top bed for stomach sleepers.
- Back sleepers’ bodies feel the contouring of the foam layer around their spine, allowing it to maintain its natural curve and relieve pressure and making it a good type of mattress for back sleepers.
- Combination sleepers, who are prone to tossing and turning, should find it easy to get comfortable in each new position, so it’s a great bed for combo sleepers.
- Side sleepers will have awesome alignment but won’t have great pressure relief on the hips and shoulders, which can lead to pain over time. Jump over to our best mattress for side sleepers guide for better recommendations.
Temperature Regulation
The Moonlight mattress uses a cooling cover paired with a system of innerspring coils to provide breathability throughout the mattress. Despite this, we found it to have average temperature regulating abilities due to the thick foam layers that sit atop the coils.
Which Body Types Does the Mattress Support?
The Helix Moonlight is designed for sleepers of any body shape or size, with a maximum weight of 500 lbs. per individual. Keep in mind that this is a softer mattress, so heavier people may find the comfort layers too cushy.
What Bed Frames Can Be Used?
The Moonlight works with most foundations, including adjustable bases, platform frames, and slatted bases. Helix doesn’t recommend using the Moonlight atop a box spring unless you use a bunkie board on top for added firmness and support.
Feel and Construction
The Moonlight is a four-layer hybrid mattress crafted from a variety of proprietary foams and individually-encased coils. Let’s take a look at what each layer is made from and how they influence the sleeping experience.
- Mattress cover: Helix’s Soft Touch Design cover supports optimal airflow.
- Comfort layer: Helix Dynamic Foam is a proprietary polyfoam that blends the benefits of latex and foam for close contouring and a responsive feel.
- Transition layer: A second layer of soft Helix Dynamic Foam ensures adequate cushion, support, and motion isolation.
- Innerspring support layer: Pocketed coils provide targeted support and give for excellent contouring and body alignment.
- Base layer: DuraDense Foam is a high-density polyfoam that brings the extra support needed for durability.
Moonlight Mattress Sizes, Dimensions, and Pricing
| Size | Dimensions | Price* |
| Twin | 38” x 75” x 12” | $699 |
| Twin XL | 38” x 80” x 12” | $799 |
| Full | 54” x 75” x 12” | $949 |
| Queen | 60” x 80” x 12” | $1,099 |
| King | 76” x 80” x 12” | $1,449 |
| California King | 72” x 84” x 12” | $1,449 |
*Prices do not reflect exclusive offers or discounts. Click below to see the best price for the Moonlight mattress and other Helix mattress coupons.
Setting up the Moonlight
Like other bed-in-a-box mattresses, the Moonlight comes in a rectangular box that stands tall. Take it to your bedroom before you unbox it for easier transportation.
It took us nearly two minutes to completely open and set up the mattress. The coils made the bed pretty heavy, so we suggest asking a partner to help you unbox. The off-gassing was average and went away quickly.
Purchase Details
Buying a Helix mattress online is simple. Here’s what you can expect.
| Policy | Details |
| Delivery | Free shipping; arrives to your door within 6-10 business days |
| Trial Period | 100-night trial |
| Warranty | 10 -year warranty |
| Return Policy | Free returns |
| Financing | Available through Katapult or Klarna |
Shipping the Moonlight
Helix mattresses ship from the United States directly to your door. The typical shipping time is six to 10 business days, and you won’t need to be home to sign for your mattress.*
*Current shipping may be longer than normal due to COVID-19. Check with Helix to determine current delivery times.
Learn More about Your Sleep Trial
The Moonlight mattress comes with Helix’s risk-free, 100-night trial period. Once you’ve had your mattress for 30 days, you can return it for a full refund before 100 days if you decide it’s not the right mattress for you. Helix’s 100-night sleep trial is the most common trial period amongst online mattress companies.
Learn More about Your Warranty
Helix mattresses are backed by their 10-year limited warranty. This warranty covers defects in materials or workmanship that aren’t expected from normal wear and tear. Contact their customer service team to submit a warranty claim.
Helix Customer Service
Helix customer service is available from 10am to 6pm EST, Monday to Friday. Here’s how you can contact them.
- Chat: Use the live chat feature at helixsleep.com during their business hours.
- Email: Submit a form and have Helix respond via email.
- Phone: Schedule a call with a representative.
Helix is one of the few bed-in-a-box mattress brands that we’ve had trouble getting in touch with. On their contact us page, they explain that they’re getting higher-than-normal requests due to COVID-19, which delays their response time. The only way that we were able to get a response was by submitting a question and receiving an email back, and that took three days to receive a response.
Discover Your Return Policy
In the rare case that you decide your new Helix bed isn’t the right fit, you can return it for a full refund during their 100-night trial period. All you need to do is head to their website and request a return. Your mattress will be picked up by a local charity, after which you’ll receive a refund on your original form of payment.
Is the Moonlight Mattress for You?
Let’s quickly review everything we’ve discussed in this article to help you make the decision if Helix Moonlight is the mattress you want to rest your head on.
The Moonlight mattress is a softer mattress offered by Helix. When you purchase this bed, you receive a 100-night trial period and a 10-year warranty.
We think you’ll love the Moonlight if:
- You sleep on your back or stomach.
- You suffer from back pain.
- You’re looking for an affordably priced hybrid mattress.
We think you should keep looking if:
- You are a side sleeper prone to aches and pains.
- You are a plus-size sleeper.
- You prefer a memory foam feel.
If you’ve decided to continue shopping, you could pick from any of Helix’s other hybrid models. For foam shoppers, we recommend the Loom & Leaf mattress. It is a memory foam bed that supports all weights and sleep positions.
See How Moonlight Compares
Helix Moonlight vs Other Hybrid Mattresses
Most soft mattresses are designed for side sleepers. The Helix Moonlight is one of the only soft hybrid beds designed with the needs of back and stomach sleepers in mind. The soft surface is a good fit for people who like a cuddly feel or need extra softness to cushion joints, while the contouring and support ensure that the spine maintains a neutral alignment.
The Moonlight vs Other Helix Mattresses
The Moonlight vs the Standard Helix Mattress Collection
The standard Helix mattress line consists of six hybrid mattresses that were engineered to fit the needs of every sleeper. By utilizing various foams of different densities and pairing them with a layer of innerspring coils, Helix has a mattress that fits your body size, firmness preference, and sleeping position. Here’s how the Moonlight compares to the other Helix models.
- Moonlight vs Sunset: Both the Helix Sunset and Moonlight are plush mattresses, but a different comfort layer makes each mattress best for different sleepers. The Sunset has a plush memory foam comfort layer designed for side sleepers, and the Moonlight a layer of Helix Dynamic Foam that offers a more balanced feeling ideal for back and stomach sleepers.
- Moonlight vs Midnight: The Helix Midnight is a medium firmness mattress while the Moonlight is a soft bed. The Midnight’s memory foam top layer delivers superior pressure relief designed for side sleepers. The Moonlight’s upper layer marries the plush feel of foam with the contouring feel of latex for stomach and back sleepers who like a cloudlike surface. Read full Helix Midnight mattress review.
- Moonlight vs Dusk: The Helix Dusk and Moonlight mattresses are each designed for stomach and back sleepers. However, the Moonlight has a softer surface than the Dusk.
- Moonlight vs Twilight: The Helix Twilight is a firm mattress engineered for side sleepers that works incredibly well for those who weigh more than 230 pounds. The Moonlight is a soft bed designed for back and stomach sleepers who like a soft surface. It’s particularly great for lightweight people.
- Moonlight vs Dawn: Both the Helix Dawn and Moonlight beds were designed to offer the support and contouring needed by people who sleep on their backs and stomachs. However, the Moonlight is soft and the Dawn is firm.
To help you find the right fit, Helix offers a sleep quiz on their website. We especially love the quiz for couples as it can help you find the mattress that works best for both of you.
Related: Helix Mattress Reviews
The Moonlight vs Helix LUXE Mattress Collection
The standard Helix mattresses each have a more lavish Helix LUXE model. Each of the LUXE mattresses is designed for the same sleepers as the standard models, but with a more luxurious feel. Here’s an overview of the unique features that you’ll find in the LUXE mattresses.
- Zoned support layer: Sturdier coils along the lumbar region and softer coils at the shoulders deliver superior spinal alignment.
- Luxury pillow top: You know how some mattresses just feel more opulent than others? This is often due to a high-end pillow top like that found in the Helix LUXE mattresses.
- Cooler mattress cover: An all-natural Tencel fabric means a slightly cooler mattress surface.
- Sturdier edges: Premier edge support coils create a mattress with comfortable, firm edges.
- Additional foam layer: An additional layer of comfort foam creates even better motion isolation and cushioning.
Read More: Helix Midnight Luxe Mattress Review
The Moonlight vs the Plus
Helix crafts the Helix Plus mattress specifically for heavier people. The Plus mattress is firmer, thicker, and more supportive than the Moonlight. While the Moonlight has a plush feel, the Plus is a medium firmness bed that balances cushioning with support. This makes the Moonlight better for lighter people and the Plus for heavier folks. Learn more in our Helix Plus mattress review.
The Moonlight vs the Birch
The Birch is Helix’s eco-friendly mattress. It’s made using layers of wool, cotton, and all-natural latex for a medium-firm feel with very moderate cushion. The Moonlight’s foam and coil construction is much softer, although both beds work best for people who sleep on their back or stomach. Learn more in our Birch mattress review.
Bases and Foundations
Q.
Where are Helix mattresses made?
A.
Helix has factories across the United States. Every mattress is handmade in the U.S.A.
Q.
How long can I keep my new mattress in its box?
A.
It’s best to remove your new bed right away, but you can leave it in the box for up to four weeks. Any longer can lead to permanent compression, so your mattress wouldn’t expand to its full size.
Q.
Should I flip my Helix bed?
A.
No. All Helix mattresses are one-sided, so you should not flip your mattress.
By clicking on the product links in this article, Mattress Advisor may receive a commission fee at no cost to you, the reader. Read full disclosure statement.
