Review
PRINCE AND THE PEA

Simba Earth APEX Mattress review: I slept on a £3k mattress and it’s made me a mattress snob

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AS A long-time Simba fan, I was pretty excited to give the Simba Earth APEX a try.

Given that I have a racing brain and a history of insomnia, sleep is something I take very seriously and is a priority in my life.

So after four months of testing, here's my verdict on Simba's new pricy mattress.

I slept on the Simba Apex mattress for four months.Credit: Aaron Dowler

Simba Apex Mattress, from £2,199

Pros

  • Medium firm with a good amount of support
  • Eased back and neck pain
  • Supportive
  • My dog loves it too
  • It can be recycled
  • 200-night trial
  • 10-year guarantee
  • 0% finance option

Cons

  • Expensive
  • Does not arrive compactly like other Simba products
  • Heavy
  • No removable/washable cover

Ratings

  • Comfort: 5/5
  • Support: 4/5
  • Cooling technology: 4/5
  • Design: 4/5
  • Value: 3/5

Overall rating: 4/5

How we tested the mattress

I spent four months snoozing away on the Simba Earth, before the APEX we had the Simba Pro so we had a pretty good comparison going from one Simba product to another. My main focus factors for testing were comfort, support, design, and sleep statistic changes using the Oura Ring.

The Oura Ring tracks statistics like total sleep, efficiency, restfulness, REM sleep, deep sleep, latency, and timing. Other statistics include lowest heart rate, breathing regularity and average oxygen saturation. 

Simba Earth APEX review: quick summary

First impressions? It’s incredibly comfortable—an absolute dream to sleep on. However, I didn’t notice a significant improvement in sleep quality over the Pro.

If you already have a Simba mattress, you might want to stick with it until it’s worn out, especially considering the APEX comes with a pretty steep price tag.

Now, if you’re thinking of upgrading from another brand and the idea of a cashmere and mohair layer generates excitement within, keep reading.

If this is your first foray into luxury mattresses and you’re ready to get serious (and a bit bougie) about sleep, then the Simba Earth APEX might just be the one for you.

READ MORE:

Simba Earth APEX Mattress: full review

Unboxing and First Impressions

Having had two Simba mattresses previously, I was surprised to see that this new top-end mattress didn’t come in the same chic box vacuum-packed and rolled.

This came in a clear plastic protector that I found handy for packing up our old mattress, ready to transport to a family member. The Simba website boasts VIP Delivery and I will say that they did deliver it to a room of our choosing and navigated our steep staircase and curious dog gracefully.

Some might argue that would be the minimum you would expect from a mattress of this price though.

One perk of this is that the Apex was ready to go right out of the box—no wait to ‘inflate’ policy like most rolled mattresses that Simba offers.

The design is a real departure from other Simba mattresses too, featuring a beautiful champagne gold cover made from wool and viscose, giving it a silky soft feel and a great first impression.

It’s also dimpled with buttons, unlike the flat surface of the Pro, and everything about it whispers quality and luxury.

The Simba Pro vs. APEX: What's the difference between the two mattresses?

MetricPROAPEX
Springs5,0005,750
Depth28cm30cm
Layers88 (including silk, mohair and cashmere layers)
Comfort Spring Layers22
BaseSupportCoreQuadCore
Top LayerWoolSilk, Mohair, and Cashmere

The Simba APEX takes a new and fresh approach to traditional mattress springs with its QuadCore technology. The springs are grouped into sets of four, which helps minimise the disruption you feel when your partner gets up for a midnight bathroom break.

While I wasn't brave enough to try the classic "bounce on the mattress with a glass of red wine" test you see in ads, I did find that most nights, I didn’t even notice my significant other getting up. This clever spring isolation does contribute to a more peaceful night's sleep.

Simba Earth APEX Mattress review: performance

A great litmus test I use for comfort is, "Will my dog sleep on it?" Some of you might gasp at the idea of letting a dog nap on a £3,000 mattress, but it’s his home too, and nothing is off limits.

He rules the house with an iron paw. Transitioning from the Pro to the APEX, I immediately noticed our luxury-loving Labrador napping at the end of the bed most days, whereas he was strictly a sofa snoozer before.

To add some context, I should mention that my dog waits outside to have his paws wiped because he doesn't like dirt in the house so that should give you an indication of his standards.

The medium firmness of the APEX provides just the right amount of support. It's not as soft as the Pro or the Hybrid but offers a firm, hug-of-a-mattress feel nonetheless.

I felt supported and stable all night and didn’t wake up with the aches and pains I get from any mattress that isn’t a Simba.

Features and Design

One thing this mattress isn’t short of are features and designs.

The mattress is 30cm deep and has eight handles around the sides, making it easy to rotate (never flip). Like all other Simba mattresses, it offers a 200-night trial, a 10-year guarantee, and a 0% finance option.

I’ve mentioned it a few times, but I’m pretty obsessed with the fact that this mattress has cashmere, mohair, and organic silk layers. It’s a great marketing claim if nothing else, but you can genuinely feel the added comfort these materials bring.

I always prioritise quality when buying my everyday clothing because I constantly straddle the line between comfort and style. This mattress fits perfectly into that ethos.

Simba Earth APEX review: final verdict

Simba has coined this mattress as ‘celestial’ and honestly, I have to say that I agree.

If you’re serious about upgrading your sleep experience and have the budget for it, the Simba Earth APEX is worth the pounds spent. This mattress offers unparalleled comfort, thanks to its luxurious layers of cashmere, mohair, and organic silk.

You can feel the difference these materials make in providing a plush yet supportive surface that encourages a restful and peaceful night’s sleep. The medium firmness ensures that your back is well-supported throughout the night, reducing the likelihood of waking up with aches and pains.

The QuadCore technology is a standout feature, isolating the springs into sets of four to minimise disturbances from a restless partner. Coupled with the 30cm depth and eight handles for easy rotation, this mattress is designed for both comfort and practicality. Plus, the beautiful champagne gold cover adds a touch of luxury that sets the APEX apart from other mattresses on the market.

Ultimately, the Simba Earth APEX is a premium choice at a premium price and the data indicates that it will provide a good boost in sleep quality. With a 200-night trial, a 10-year guarantee, and a 0% finance option, Simba makes it easier to invest in your sleep without the immediate financial burden (or panic) of seeing £3k leave your bank account immediately.

If you’re ready to commit to a game-changing bed-friend and can justify the price, the Simba Earth APEX mattress is a worthy addition to your bedroom.

How much does the Simba Earth APEX mattress cost?

Brace yourself: the comes in at an eye-watering £3,329 for a king size. While that might initially make you gasp, consider this: with a 10-year guarantee, it works out to about 91p per night—assuming you never sleep elsewhere. And honestly, after experiencing this mattress, you might not want to.

Here’s the full cost breakdown of all sizes in the range:

It's a serious investment, but one that pays off in nightly dividends of unparalleled comfort.

Where to buy the Simba Earth APEX

You can currently only buy the Simba Earth APEX mattress directly from . It isn’t available at any other retailers. However, The Simba Hybrid Mattress is available on alongside some other Simba products.

What are some alternatives to the Simba Earth APEX?

I would perhaps argue that the Simba Earth APEX mattress is in a league of its own and it’s the first time that we have heard of a mattress that is zero-waste whilst also having luxurious layers like organic silk, mohair, and cashmere.

Many of the viral internet-led mattress companies offer a luxury version of products and many at a more affordable price but the caveat is that you will lose some of the materials and components that make the APEX so special.

Comparable natural mattresses include the , , and the .

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