Casper Versus Lull – A Direct Mattress Comparison

Opt for the Lull mattress if you prefer a firmer models, need moderate conforming ability, weigh 130 pounds or more, frequently deal with pain in your neck, back or shoulders, really want to avoid as much off-gassing odor as possible, and you’re running on a tight budget. Opt for the Casper model if you value strong conforming, are a side sleeper, have lower back pain and if you sleep with a partner.

A rule of thumb you can use for most product categories goes something like this – just because a product is well-made, doesn’t automatically make it good for you specifically. The market is full of products that are made to appeal to specific demographics, which means you have to know what your preferences and needs are when making a purchase. This is also true for mattresses, and those are often quite stressful to shop for, as they’re pricey and it’s hard to decide which one is tailored to comfort a person of your size, preferred sleeping position or similar traits. Ask yourself questions about what you value in a mattress, as well as whether you have any health-related issues that necessitate a product with a specific firmness level. Once you know all those things, you can start picking out tempting products.

It’s all too easy to browse a couple of storefronts and end up with a list of 10 potential mattress candidates, not knowing which one you should commit to trying. While you will be able to refund any model you buy from a reputable source, the process of replacing the products and trying something new is often very frustrating. This article (and similar ones on our website) is meant to help you narrow down that list of potential purchases. Today, we will compare the Casper to the Lull mattress and see who would like one over the other. Let’s get into it.

A Quick Overview

It’s always a good idea to learn about the companies behind brands you’re considering supporting. It is especially true when you’re buying something you don’t often research or encounter, such as a mattress. Both Casper and Lull are relatively new contenders on the field, and as such their products are often subject to tougher scrutiny. Here is some basic information about them and their flagship models (the ones we’re reviewing and comparing today):

Lull surfaced around 2015, and their flagship model is known simply as the Lull mattress. This model ranks at 6.5 on the 1-10 firmness scale, and its composition is often referred to as “mixed foam.” They use gel memory foam and transitional foam layers for the comfort portion of the mattress, and the support core is made of high-density polyfoam that resists sagging and provides a solid support for people who weigh 130 pounds or more.

Casper has been around for only a year longer than Lull, as they initially launched their flagship mattress in 2014. They use comfort layers composed of memory foam and polyfoam, with a much denser polyfoam blend in the supportive core layers and a polyester cover for extra softness. A bed using this model will be slightly softer than the Lull mattress, as it counts as being a solid 5.5 on the firmness scale (often called “Medium”). They have other product options on offer – the memory foam Casper Essential and the Casper Wave, which is made from memory foam and latex. We will not be comparing these two with the Lull mattress, only the Casper flagship product.

The Lull Mattress

The Lull Mattress is ten inches thick, and it’s separated into two general layers. The comfort layer occupies the top 3” of this mattress, and it’s made of two sub-layers, one made of gel memory foam, the other made of transitional polyfoam. Underneath this comfort layer lies a seven inch-thick supportive base made of very dense polyfoam. As a whole, this model is lighter than most other mattresses and takes up as much space as they do, making it fairly easy to rotate and move through your home. Being able to organize your bedroom space and replace a mattress easily can be a very tempting benefit, especially after trying (and refunding) some other product.

Durability is often one of the first qualities people look for in a mattress. It is estimated that the Lull model will last at least six years, but the product is new enough that it’s simply too early to get accurate test results. In a couple more years, we will know a bit more about how durable this Lull mattress is, but for now, we know that there haven’t been many complaints about endurance. We would recommend not sitting on the edges as a habit, however, just in case.

The double-foam comfort layer proves to be exceptional at motion isolation, making it helpful for couples who share a bed. Couple that with the noise and reasonable responsiveness for sex, and this model seems to be a tempting pickup for bed sharing. Additionally, the mattress closely conforms to the sleeper’s body, making it excellent at relieving pressure from their joints and softening back or shoulder pain.

The Lull mattress sleeps cooler than most of its competition, thanks to the gel memory foam in the comfort layer. It’s possible to experience a hot bed now and then, but it doesn’t happen nearly often enough to be a problem, especially when paired with a good-quality bedroom fan or something similar.

Off-gassing (the appearance of rubbery smells when a new mattress has been unpacked) is less of a problem with the Lull model than with most other mattresses of its caliber. While there is an odor initially, it dissipates within only a few days after it first gets used.

The Queen-sized version of the Lull model costs $800, making it quite affordable compared to most other all-foam products it is expected to compete with. Couple that with the 100-night trial period and you have a product that’s easy to commit to, at least initially.

The Casper Mattress

The biggest selling point when it comes to the Casper is the triple-foam comfort layer. The memory foam layer in the middle is placed between two polyfoam layers, offering excellent breathability and dissipating a lot of body heat that would otherwise be absorbed by many other foam mattresses. Hot sleepers value this aspect a lot more than most others, and Casper is a tempting pick for them. On top of all that, the comfort layer hugs the body very closely, making it an excellent choice for people who regularly experience back pain, neck pain or shoulder pain, as well as side sleepers who need the extra conforming ability to establish and maintain proper spine alignment.

Much like with its Lull rival, it’s quite hard to assess the durability of the Casper accurately. The mattresses simply haven’t been used for long enough so far, since the company that manufactures them is younger than their estimated lifespan. There haven’t been many complaints about degradation and deformities, although the ones that were filed typically had to do with the edges not receiving full support.

Couples will be pleased to know that Casper’s motion isolation and noise levels are ideal for bed sharing. It is almost impossible to accidentally wake the other person up by exiting the bed or tossing and turning unless you make direct contact with them. However, it is left up to personal criteria as to whether this mattress is bouncy and responsive enough for sexual activity. We encourage you to use the 100-night trial offered with this product and test that aspect for yourself.

Some off-gassing is to be expected with any mattress, and the Casper is no exception. The smell typically doesn’t last long, so it’s not like you will be unable to use it for a while. Make sure to keep your windows open whenever possible (as long as it’s safe to do so) to mitigate this issue even further.

This Casper model is worth $1,200 if you opt for the industry-standard Queen-sized version, making it noticeably more expensive than its Lull rival but still affordable for most. Given its quality, we think it’s a very fair price to put on this product.

The Verdict

While there are objectively good and bad things about most mattresses, certain factors all come down to personal preference. For example, if two products differ in overall firmness to a noticeable degree, people of different weight categories will gravitate to different options. If you’re willing to invest the extra time, testing both of these mattresses out will produce the most accurate verdict, but most people don’t have that kind of time or patience. Here’s our recommendation based on who these mattresses would appeal to:

You should purchase the Lull mattress if:

  1. You prefer a firmer mattress
  2. You want moderate conforming ability
  3. You weigh 130 pounds or more
  4. You frequently deal with pain in your neck, back or shoulders
  5. You really want to avoid as much off-gassing odor as possible
  6. You’re running on a tight budget

You should opt for the Casper model if:

  1. You value strong conforming ability
  2. You’re a side sleeper
  3. You often experience lower back pain
  4. You have a sleeping partner you’re worried about waking up


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