Helix vs. Casper Mattress Comparison

The Helix Midnight is a hybrid mattress designed for side sleepers and anyone who needs extra cushioning at their pressure points. The Casper Original is a memory foam mattress with Zoned Support foam that works for every sleeping position. While the Helix Midnight is better for hot sleepers and people who like to be hugged by their mattress, the Casper mattress outperforms the Helix Midnight for stomach sleepers and people with back pain.  

In this Helix vs. Casper mattress comparison, we’re going to share all of the information that you need to determine which bed is right for you. This includes their similarities and differences, price points, and what it’s like to buy a mattress from each of these popular brands.

Helix Midnight vs. Casper Original

Key Differences

• Sleep position suitability: While Casper’s medium-firm feel and Zoned Support allow it to work for all sleeping positions (depending on your body type), the Helix’s softer, more pressure-relieving surface is generally a better mattress for side sleepers.  
• Feel: The Helix’s top layer has the “hug” of memory foam, while the Casper mattress feels more balanced, with slight contouring but no deep body cradle. Thanks to the springiness of the Helix’s coil layer, it’s also a bit bouncier than the all-foam Casper.  
• Construction: The Casper is a three-layer, all-foam mattress, while the Helix is a four layer hybrid bed made from layers of foam and pocketed coils.   
• Temperature regulation: Thanks to greater airflow through the Helix’s coil support system, the Helix Midnight sleeps cooler than the all-foam Casper mattress.

Key Similarities

• Superb motion isolation: Both beds have thick comfort layers that dampen motion transfer, helping couples sleep together with fewer interruptions.  
• Best for lightweight and average-weight people: Both mattresses are best for people who weigh less than 230 lbs. 
• Excellent pressure relief: Both the Casper and Helix evenly distribute your body weight, which eases pressure at joints like the hips and shoulders.

Who is the Helix Midnight Mattress Best For… 

• Side sleepers: The Helix Midnight mattress is designed for side sleepers who like a bed with a medium-firm feel. The top memory foam layer of the mattress cradles the body, providing exceptional pressure relief for the shoulders and hips.  
• Hot sleepers: The Helix Midnight boasts generous breathability thanks to innerspring coils, open-cell foam, and an airy mattress cover. The result is a bed that sleeps cooler than all-foam mattresses, which is great for people who struggle with staying cool at night. 
• Memory foam lovers: The Helix’s top layer is made from a 2” layer of body-conforming memory foam that has the hugging feel memory foam fans enjoy.

Not Best For…

• Stomach sleepers: The Helix Midnight has a relatively soft top layer that may cause poor spinal alignment when stomach sleeping, especially for people who weigh more than 130 lbs. See the best mattresses for stomach sleepers for better options.
• People who like to sleep “on” their mattress: The Helix’s cradling top layer isn’t the best fit for people who like to sleep “on” their bed rather than in it. 
• Heavier sleepers: The Helix Midnight’s medium-firm firmness level and conforming top layer don’t provide the right level of support for heavyweight sleepers who weigh more than 230 lbs.

Read our full Helix Midnight mattress review.

Who is the Casper Original Mattress Best For… 

• People with back pain: The Casper Original has an ergonomic transition layer that offers extra support to the body’s core and softer foam for the shoulders and feet. The balance between contouring and support provides both outstanding pressure relief and spinal alignment: ideal for people with back pain.  
• Every sleeping position: The Casper’s medium-firm feel and Zoned Support foam make a sleeping surface that supports back, stomach, side, and combination sleepers, depending on your body type.  
• Couples and those who co-sleep: Just like most all-foam beds, the Casper does a good job minimizing motion transfer and limiting sleep disruptions. The Casper is suitable for all sleeping positions, so couples who sleep in different positions (for instance, a side sleeper and a stomach sleeper) can each find comfort on the Casper. If you toss and turn at night, see the best mattresses for combination sleepers.

Not Best For…

• People who like to sleep “in” their mattress: Casper incorporates a top layer of responsive polyfoam and added support along the body’s core to limit the amount of sinkage that sleepers can experience. The feel is more supportive than cushioning—not the cradling feel of beds with thick memory foam comfort layers. 
• Hot sleepers: The Original Casper isn’t the best bed for people who wake up hot and sweaty. While Casper utilizes perforated polyfoam along the top of the bed to mitigate heat retention, the mattress is not as breathable or cool as most hybrid or innerspring beds. 
• Heavyweight people: Casper’s all-foam construction doesn’t deliver sufficient support or durability for heavyweight sleepers. If you weigh over 230 lbs, check out our best mattresses for heavy sleepers.

Read our full Casper mattress review.

Deciding Between Helix and Casper

Firmness / Feel 

Mattress firmness is measured on a 1–10 firmness scale, with higher numbers yielding a greater firmness level. The Casper Original mattress falls at a 6/10, meaning it’s a medium-firm mattress. Medium-firm beds are said to have the universal firmness because it’s the feel that most sleepers prefer. The Helix Midnight is also a medium-firm bed with a 6/10 firmness level. 

While the Helix and Casper have similar firmness levels, the way that they feel is noticeably different. The Helix mattress has a top layer of medium-firm memory foam that cradles the body for a hugging feel. Casper uses a polyfoam top layer that’s more responsive, which means the foam responds more quickly when you move. 

The top layer of foam in the Casper mattress has more of a traditional pillow top feel rather than a memory foam cradle. Underneath this soft foam is Casper’s Zoned Support memory foam, which brings extra support to the body’s trunk and more contouring at the top third and bottom third of the mattress. 

The Helix’s conforming feel brings wonderful pressure relief for side sleepers and a moderate hug for back sleepers who like a traditional memory foam feel. The spring support system underneath offers responsiveness so you won’t feel stuck.

See Also: Best Mattresses for Back Sleepers

Brand Helix Midnight Performance By Sleeping Position:

Body Type:	BACK SLEEPERS	STOMACH SLEEPERS	SIDE SLEEPERS
Lightweight (< 130 lbs):	4	4	5
Average weight (130–230 lbs):	4	4	5
Heavyweight (> 230 lbs):	3	3	4

Brand Casper Original Performance By Sleeping Position:

Body Type:	BACK SLEEPERS	STOMACH SLEEPERS	SIDE SLEEPERS
Lightweight (< 130 lbs):	5	4	4
Average weight (130–230 lbs):	5	3	5
Heavyweight (> 230 lbs):	3	2	2

1 = Very poor, 2 = Not good, 3 = Fair, 4 = Good, 5 = Excellent

Motion Isolation

Both the Helix and Casper mattresses do an excellent job stifling motion where it occurs, ensuring that it doesn’t spread to the other side of the mattress. Light sleepers who sleep with a partner, child, or pet sleep best on mattresses that dampen motion (like the Helix and Casper). 

While we believe both beds will work for most couples, the Helix spreads just a bit more motion because of its supportive layer of springy coils. If your primary concern is motion transfer, the Casper may be the better bed. See our picks for the best mattress for couples that isolate motion and accommodate two sleepers well. 

Edge Support 

Helix and Casper both excel at delivering sturdy and comfortable edges. Both beds allow couples to spread out and lie along the edges, and they’re each stable enough for people to use the perimeter for support while getting into or out of bed. Looking for info? Check out our edge support page.

Pressure Relief

The Casper and Helix both deliver above-average pressure relief, offering the cushiony feel and cradling loved people with joint pain. Because the Helix mattress has a layer of memory foam along the top, it’s the best choice for lightweight folks who need cushioning. 

The Casper’s polyfoam requires a bit more weight for maximal give, so it’s best for side sleepers who weigh between 130–230 lbs. The Casper is a good mattress for lower back pain and for those who have sensitive areas along their spines, while the Helix provides a more general close, conforming feel.

Spine Alignment

The Casper’s ergonomically Zoned Support system provides superior spinal alignment compared to the Helix, at least for most sleepers. Casper’s added firmness at the body’s core helps keep stomach sleepers’ hips from sinking in too far, which prevents the spine from arching out of alignment. Also, its softer feel at the head and foot of the mattress means side sleepers experience more give at their shoulders, which helps to keep the spine aligned. 

While the Casper is generally better for proper alignment—and with it, back pain relief—the Helix does a remarkable job supporting the spines of back sleepers and side sleepers. These people are likely to find good alignment on either mattress. If you wake up in pain, see the best mattresses for back pain.

Durability

Overall, our mattress testing team thinks the Helix mattress is more durable than the Casper. Thanks to the resilience of innerspring coils, the Helix is likely to last a year or two longer than the Casper mattress. However, both beds are made with high-quality materials and durable builds that mean they should last longer than the average bed. Expect around six to eight years of use from the Casper and seven to 10 years on the Helix.

Cooling / Temperature

The Helix Midnight sleeps cooler than the Casper. Because the Casper is made from 100 percent foam, there isn’t the same level of breathability as there is on the hybrid Helix bed. While both beds sleep cool enough for the average sleeper, we’d recommend that hot sleepers opt for the Helix over the Casper. For other choices, see the best cooling mattresses.

Helix vs. Casper Mattress Construction

Helix Midnight Mattress Construction

The Helix Midnight is thicker than the average bed and made from layers of foam and innerspring coils. The top layer of the Helix is made from the brand’s proprietary Memory Plus Foam, a medium-firm memory foam that deeply contours to the body. 

Next is a thin layer of high-grade polyfoam that absorbs motion from the coils beneath and protects the body from sinking in too far. The support system boasts a thick 8” layer of individually wrapped coils for targeted support.

Casper Mattress Construction

The Casper Original mattress is an all-foam bed with an average thickness. The top layer of Airscape Foam has a soft feel, yet is still more responsive than memory foam. This top comfort layer is hole-punched to promote breathability and cooler sleep. 

The second layer is Casper’s ergonomic Zoned Support, which boasts firmer memory foam along the middle third of the bed and softer foam at the feet and shoulders. The final layer is a high-density foam that further dampens motion transfer and brings some stability to the edges.

Sizing & Price Comparisons 

Mattress Size	Helix Midnight	Casper Original
Twin	$699	$695
Twin XL	$799	$795
Full	$949	$995
Queen	$1,099	$1,095
King	$1,449	$1,495
Cal King	$1,449	$1,495

See our Helix Mattress Coupons & Casper Mattress Coupons for the best price on a new mattress.

Shipping and Returns for Helix & Casper

Helix

Helix Sleep ships mattresses for free to all 50 states in the U.S., and the brand ships to parts of Canada for a fee. Helix manufactures beds to order, so the shipping time is a bit longer than average. Expect to receive your bed in roughly four to 15 business days. 

Every new Helix mattress comes with a 100-night sleep trial. In other words, from the date your new bed is dropped off on your doorstep, you have 100 nights to see how you like it. After a 30-day adjustment period, Helix offers full refunds during the trial period. 

If you decide to return your new mattress, Helix works with you to arrange a mattress pickup, so you don’t need to stuff it back into its box. For customers who decide to keep their Helix mattress, it comes with a 10-year warranty. The Helix mattress warranty covers defects in materials or workmanship, including things like foam cracks or body indentations greater than 1” deep. 

Casper

Mattresses ordered from casper.com ship to the contiguous U.S. and parts of Canada for free, with a fee for shipments to Alaska and Hawaii. Because Casper has warehouses located across the U.S. and Canada, you can expect your new mattress to arrive in around two to five business days. 

Casper mattresses also come with a 100-night trial period that starts the day that you receive your new bed. However, you’re not required to wait 30 nights before deciding if the Casper is the best mattress for you. According to Casper’s return policy, you may return your bed at any time during the trial period for a full refund. In that case, the brand will send a team to your door to pick up the used bed and take it to a charity or recycling center. 

Every Casper mattress comes with an industry-standard 10-year limited warranty. It covers similar defects as the Helix warranty, including body impressions greater than 1” deep and flaws in the foam.

Other Helix Models

See: Compare Helix Mattresses

Read our Helix Moonlight mattress review to learn more.

Read our Helix Dawn mattress review to learn more.

Read our Helix Plus mattress review to learn more.

Other Casper Models

See: Compare Casper Mattresses

Read our Casper Hybrid mattress review to learn more.

Read our Casper Wave Hybrid mattress review to learn more.

Read our Casper Nova Hybrid mattress review to learn more.

Haven’t made a decision yet? Check out these comparisons:

Helix Comparisons & Reviews

Casper Comparisons & Reviews

Comparing Helix Luxe Mattresses Helix vs. Bear Helix vs. Brooklyn Bedding Helix vs. Leesa Helix vs. Purple Helix vs. Tuft & Needle Helix vs. WinkBed Helix Sunset Mattress Review Helix Twilight Mattress Review Helix Dusk Mattress Review

Casper vs. Amerisleep Casper vs. Bear Casper vs. Brooklyn Bedding Casper vs. GhostBed Casper vs. Layla Casper vs. Leesa Casper vs. Loom & Leaf Casper vs. Lull Casper vs. Nectar Casper vs. Puffy Casper vs. Purple Casper vs. Saatva Casper vs. Tempur-Pedic Casper vs. Tuft & Needle Casper vs. WinkBed Casper Nova Hybrid vs. Layla Hybrid Casper Wave Hybrid Snow Mattress Review Casper Element Mattress Review Casper Mattress Alternatives

Our Helix vs. Casper Final Review

The Helix Midnight combines a hugging memory foam feel (excellent for side sleepers) with responsive innerspring coils for a cool sleep, making it the best of these beds for hot sleepers who spend time on their sides. The Casper’s medium-firm feel and Zoned Support make it better for lightweight stomach sleepers and people with back pain.