the Sleep Firm mattress

Become a firm believer in
better sleep

Become a firm believer in better sleep

Think you’ve had the best sleep of your life? That sounds like a challenge. If you prefer a firm feel to your mattress, you’ve come to the right place.

At Sleep Firm, we do one thing. Make firm mattresses. There’s no room for anything else—especially softness. We’d love to show you why we make the best firm mattress in Australia.

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Welcome to The Firm

It’s great to have you. At Sleep Firm, we have a single-minded focus – giving the people firmness. We make entirely firm mattresses, from the centre to the firm supportive edge.

Other mattress brands might have a soft mattress and a slightly firmer pocket spring mattress in their range. Not us. We are firm to the core.

The Mattress
Man sleeping on a Sleep Firm Mattress
Man sleeping on Sleep Firm Mattress

Just How firm is our firm mattress?

We’re glad you asked. Let’s put it this way – it’s very firm but not rock hard. We like to define it as enjoyably firm. An enjoyably firm mattress is a mattress that provides a supportive and comfortable sleeping surface while still offering a significant level of firmness. It should have enough resistance to support the natural curves of your body and prevent excessive sinking or sagging, especially around the hips and lower back.

Firmness Scale Sleep Firm
Sleep Firm Firmness Scale

Choose your size

Our firm mattresses come in a range of Australian-standard sizes. For long-lasting firm support, no matter the size, go with a Sleep Firm mattress.

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How We Create Firmness

Straight out firm support doesn’t come out of thin air. Our firm mattress has been meticulously engineered to embody the very essence of firmness.

High spring count
High spring count

Our 5 Zone S+Pro high spring count mattresses promote the best support for all body types and weights. You won’t find this in a major retail store mattress.

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BOOMERANG-FOAM
Boomerang foam

Our Boomerang Foam technology is a premium density foam that springs back into place, night after night. Its open cell structure will also keep your sleep environment cool.

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5 ZONES POCKET SPRINGS
5 sleeping zones

Each zone is designed to provide targeted support to different parts of the body, with the goal of promoting proper spinal alignment and reducing pressure points.

Buy the mattress size for you
FOAM-BOX
Foam box
edge

Our quality foam box edge helps prevent roll off. You can rest assured that your firm mattress will continue to provide a high level of sleep quality from edge to edge.

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Reviews

Don’t just take Our word for it

Straight out firm support doesn’t come out of thin air. Our firm mattress has been meticulously engineered to embody the very essence of firmness.

Reviews
Excellent mattress

by Susan H on 28/02/2023

I purchased a sleep firm bed as it’s rating was 9 out of 10 on the mattress firmness scale. I am a tall and large person so wanted a mattress with additional inner springs that catered to my weight and wouldn’t sag. A firmer mattress is better for larger people as you don’t “sink” into the mattress and feel like you are not lying straight. This mattress has delivered. Firm, supportive, comfortable (if you like a very firm bed, which I do). Would recommend. It’s a heavier mattress due to the extra springs in it, so getting it out of the box and onto the bed was tricky for one person. Would be great if mattresses had handles on the side like they used to.

Love this mattress!

by Alice on 15/02/2023

I love this mattress so much! I have had back problems for since I was in grade school and never quite found a mattress that my spine agreed with. We bought our Sleep Firm King 1 month after we had our first son because we found ourselves uncomfortable and cramped in between animals and a baby and more sleep deprived than ever. This mattress was our saving grace. It is the firmest mattress I have had the pleasure of sleeping on and has helped my back problems tenfold, even with all of the aches and pains that come post partum. It is so roomy and comfortable, I truly recommend this mattress to anyone that is looking for a firm change!

Guests have rated it very comfortable

by Roasting on 01/12/2022

This mattress was purchased for a guest bedroom. Whilst I have not used it (yet), several guests have stayed and all rated it very comfortable. One guest was rehabilitating from spinal surgery. I am glad that I could offer them good nights’ sleep. My enjoyment came from opening it and watching it puff up!! It was easy enough for one person to manage.

Enjoy sleeping firmer for 100
nights, totally risk-free

Enjoy sleeping firmer for 100 nights, totally risk-free

If you don’t love the firmness of our mattress in the first 100 nights of sleeping, then you can return it for a full refund.

If you don’t love the firmness of our mattress in the first 100
nights of sleeping, then you can return it for a full refund.

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Awards

Sleep Firm is recognised and awarded

Unsure if the Sleep Firm mattress is right for you? We’ll let our awards do the talking. We’ve been recognised as an industry leader in manufacturing quality, firm, Australian-made mattresses.

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BedBuyer

Awarded as Bedbuyer’s ‘Best Firm Mattress’ 3 years in a row – 2022, 2023 & 2024.

The Australian Spinal Research Foundation
Australian Spinal Research Foundation

The Sleep Firm mattress has been officially endorsed by the Australian Spinal Research Foundation.

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Sensitive Choice

We use low-VOC Dunlop foam in our firm mattresses, making them a Sensitive Choice standout.

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