nest alexander vs casper mattress review

Nest Alexander vs Casper Mattress Review

See which bed-in-a-box is best in this Casper vs Nest Alexander Signature comparison.

Nest Bedding and Casper are two of the most well-respected online mattress brands. Both companies are known for producing high-quality beds at affordable prices. In this post, we break down the pros and cons of the Nest Alexander Signature and Original Casper to help you make a more informed decision on your next mattress purchase.
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Nest Alexander Signature vs Casper Synopsis

If you’re in a rush, we got you covered. Here are the primary differences between these two beds.

  • Feel — The Nest Alexander Signature has a memory foam feel, while Casper has more of a soft, neutral-foam feel.
  • Price — Casper is more affordable, plain and simple.
  • Lifetime Warranty — The Nest Alexander is protected by a lifetime warranty. The Casper mattress is backed by a 10-year warranty.
  • Firmness Options — The Nest Alexander is available in multiple firmness levels, while Casper comes in just one feel (medium).
  • Body Type —The Nest Alexander is more ideal for heavy people due to its thickness and firmness options.

Those are just the quick headlines, though. There’s a lot more you’ll want to consider before buying a new mattress. Keep reading to learn more.

Shipping, Returns, Trial Periods, And Warranties

Buying a new mattress online is super easy these days. You no longer have to spend hours at your local mattress store testing beds for 20 seconds at a time. Below we’ll discuss just how easy the whole process is. Let’s first start with Casper.

The Casper mattress ships for free and arrives at your home compressed and rolled up in a box. Once it arrives, simply move the box to your room and unroll the mattress onto your bed frame. Make sure to let the bed fully inflate for about 24-72 hours before your sleep on it.

Unboxing the Casper mattress

Once the mattress is delivered, Casper gives you a 100-night risk-free trial period. Basically, the company is giving you more than three months to test the bed in the comfort of your own home and truly decide whether you like it. That’s a lot better than 20 seconds in your local mattress store.

During the trial period, if you decide the Casper mattress isn’t for you, no worries, just give the company a call and they’ll take care of everything. First, they’ll arrange for a third party service to pick up the mattress from your home. Once that happens, just provide proof to Casper that the mattress has indeed been picked up and they’ll issue you a full refund. The whole return/refund process normally takes around 2-3 weeks. Casper also backs their mattress with a 10-year warranty. You can read more about it on the company’s website.

Nest Bedding, like Casper, makes it extremely easy for consumers. They too offer free shipping and a 100-night trial period. If, after 30 days, you decide the Nest Alexander isn’t for you, the return and refund process works the same way as described above.

However, unlike Casper, Nest Bedding backs their mattresses with a lifetime warranty. That’s pretty unique. We’ve only run across a couple online mattresses that are backed by such a policy. You can read more about it on the company’s website.

Nest Bedding also offers what they call a Lifetime Comfort Guarantee. Basically, once the trial period has expired, if you suddenly decide you don’t like the mattress, the company will allow you to purchase a different model for 50% of the current retail price. Pretty cool, right? You can read more about the Lifetime Comfort Guarantee on the company’s website.

Nest Bedding Alexander Signature


  • Folks who want options (multiple firmness options)
  • All sleeper types
  • All body types
  • Couples (solid edge support and motion isolation)
  • Folks who want a premium memory foam bed


  • People on a tight budget
  • Folks who want a coil bed
  • Particularly hot sleepers

Before we get into the advantages that the Nest Alexander Signature provides, it’s important to note the bed comes in two different firmness levels. You can choose between a Medium or Luxury Firm feel. The Medium version is most popular. That’s the model we’ve spent the most time with, but we have also tried out the Luxury Firm version.

Additionally, Nest Bedding also offers a Nest Alexander Signature Hybrid mattress. This model is very similar to the all-foam Signature model except it includes pocketed coils for additional support. We’d recommend checking out our full Nest Alexander Hybrid review for additional details.

However, for the purposes of this comparison, we’ll be primarily focusing on the flagship Signature Series mattress since it’s closer in construction to the Original Casper mattress.

Soft Memory Foam Feel

The primary difference between Casper and the Nest Alexander Signature comes down to feel. The Nest Alexander Signature uses 4″ of premium memory foam for its top two layers. As such, the bed has an extremely comfortable memory foam feel. As you lay down, you sort of nestle into the bed and the top layers start to conform to your body’s shape.

nest alexander signature series mattress review side sleepers
Extremely comfortable memory foam feel

Overall, the Nest Alexander mattresses (all-foam and hybrid) are two of our team’s favorite beds. Pretty much all the team members here at the Slumber Yard find the Nest Alexander beds extremely comfortable. They even made our list for the Best Online Mattresses In A Box.

Bottom line, if you like memory foam, there’s a very good chance you’ll dig the Nest Alexander Signature mattress.

Solid Edge Support

We think the Nest Alexander Signature gets the edge when it comes to edge support (pun intended). As you roll over towards the side of the bed, there’s very little compression and you never get any feeling like you’re about to roll right off the edge. Don’t get me wrong, Casper isn’t bad in this department by any means. However, if pressed, we’d just say Casper provides good edge support, while the Nest Alexander Signature provides great edge support.

nest alexander signature series edge support mattress
Solid edge support

This is an important topic for couples to consider, especially if you share a smaller size mattress (full or queen). Beds with good edge support provide more useful surface area for partners to spread out and sleep comfortably. This comes into play a lot with couples who prefer not to cuddle or in which one partner tends to hog the middle of the bed.

Better For Heavy Individuals

If you’re a large sleeper (250+ lb), the Nest Alexander is the more ideal mattress for you. We say that for two primary reasons.

First, it’s just thicker than Casper. It comes in at 13.5″ thick, while the Original Casper mattress is 10″ thick. Generally, thicker mattresses are better for heavy sleepers since they have larger support structures and won’t bottom out as easily.

The Nest Alexander will work for big guys

Next, the Nest Alexander Signature comes in a Luxury Firm option. We think this version lands around a medium-firm on the firmness scale. As such, big folks will sleep more on top of the bed than they would with Casper, which comes in around a medium on the firmness scale. This should help big sleepers feel more supported and keep their spine in proper alignment.

Big sleepers could also check out the Nest Alexander Hybrid, which contains coils. Beds with coils tend to be more durable and provide more support than all-foam beds.

Lifetime Warranty With Nest Bedding

This might a be smaller point, but we thought it was worth mentioning again. The Nest Alexander Signature comes with a lifetime warranty. This is big for consumers who want long-term protection.

Casper Mattress


  • Folks looking for a soft, neutral-foam feel
  • Back, stomach, and side sleepers
  • Small and medium sized individuals
  • Folks looking to spend around $1,000 or less


  • Heavy people (250+ lb)
  • Memory foam fans

Casper Has A Neutral-Foam Feel

While the Nest Alexander has a memory foam feel, Casper has more of a soft, neutral-foam feel. Technically, the Casper mattress does include memory foam, but it’s used as the second layer of the bed for pressure relief purposes. The top layer is comprised of an open-cell proprietary foam, which drowns out the memory foam feel a little. The result is a very soft foam feel that is extremely comfortable. Like the Nest Alexander, Casper also made our list of the Most Comfortable Beds.

casper mattress review back sleeper
Soft, neutral-foam feel

What we mean by the term “neutral-foam feel” is that the top layers don’t quite conform and hug your body the way memory foam does. As such, we’ve found that Casper pleases a wide variety of sleepers. People who hate memory foam like the feel of Casper, as do people who generally like the feel of memory foam. It’s just a very accommodating mattress.

Casper Is More Affordable

This one is pretty straightforward. Casper is just more affordable than the Nest Alexander Signature. For example, a queen size Casper will cost you about $1,000, while a queen size Nest Alexander will run you about $1,200.

However, those are just the MSRP prices. Both companies regularly run sales and offer coupon codes. Check the boxes on the right hand side of the screen to see what kind of deals the companies are currently offering. Chances are you can snag the Casper mattress for about $50-$100 less and the Nest Alexander for $100-$150 less than MSRP.


This might be a small advantage, but the Casper mattress is more responsive than the Nest Alexander Signature. The top layers on the Casper mattress snap back to position almost immediately after pressure is released. The Nest Alexander Signature mattress takes an extra second or two to fully pop back and you do get a slight bit of that stuck-in-the-mud feel thanks to the 4″ of memory foam on top.

Responsive top layers

This is important for active sleepers who tend to move around a lot. These types of sleepers will generally find it much easier to switch between sleeping positions on responsive beds.

What Casper And Nest Alexander Have In Common

Above we described the primary differences between the two beds, but you also might be wondering what the two beds have in common. Let’s cover that next.

Both Beds Accommodate All Sleeper Types

The nice thing about both Casper and the Nest Alexander Signature is that they are ideal for all sleeper types. It doesn’t matter whether you consider yourself a primary back, side, or stomach sleeper.

The Casper mattress, despite only coming in one firmness level, finds a nice balance between support and pressure relief. Side sleepers will find the mattress very soft and comfortable for their hips and shoulders, while back and stomach sleepers will find that the bed provides a good amount of support under their lower back and trunk.

nest alexander signature series mattress review back sleepers
Accommodating for all types of sleepers

Nest is a little different because you’ll have to choose your firmness level. If you’re a side or combo sleeper, we’d recommend going with the Medium version. If you’re primarily a back or stomach sleeper, we’d recommend going with the Luxury Firm option for maximum support.

Again, your weight plays a big role here, as well. The recommendations above are for petite and average sized sleepers. We’d recommend large folks check out our list of the Best Beds for Heavy People.

Motion Isolation

Another commonality between Casper and the Nest Alexander is that both beds isolate motion well. Both mattresses passed our test with flying colors. We noticed very little motion transferred from one side of the mattress to the other.

Good motion isolation

This is another important consideration for couples. Good motion isolation means you’ll feel less of your partner’s movements throughout the night. No sleeper wants to be woken up and disturbed every time their partner rolls over or gets up off the bed. That can be quite frustrating. Luckily, that won’t happen with either of these mattresses.

Casper Mattress vs Nest Bedding Review Verdict

If you’ve made it this far, you now understand the primary differences between these two beds. However, we understand shopping for a new mattress can be confusing and frustrating so if you’re still stuck, ask yourself a few questions. This should help clear things up.

First, what’s your budget? If money is your chief concern, go with Casper. It’s the more affordable bed and you should be able to save $100-150 depending on size.

Next, what type of feel do you prefer? If you’re a big fan of memory foam, the Nest Alexander Signature is the ticket. If you don’t like memory foam, chances are you’ll like Casper.

Lastly, how much do you weigh? If you weigh over 250 lb, we’d recommend going with the Nest Alexander Signature.

That’s all we’ve got for you. We hope the comparison was helpful. Thanks for choosing the Slumber Yard.

Review Team

Jeff Rizzo

Jeff Rizzo

Combo Sleeper


Matt Ross

Back Sleeper

Dillon Payne

Dillon Payne

Combo Sleeper


JD Christison

Combo Sleeper

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