How to Choose a Mattress: A Guide to Finding the Right One.

We spend roughly a third of our lives in bed, yet most of us give more thought to a new phone than to the surface we sleep on. Choosing a mattress is one of the more important comfort and health decisions you will make, and getting it wrong can mean years of restless nights, back pain and buyer's regret.

The good news is that the process becomes far simpler once you understand a few core factors: your sleeping position, the mattress type, the right firmness, and the size that suits your room. This guide walks you through how to choose the right mattress with confidence, without the sales pressure of a busy showroom.

Start With How You Sleep

Before you look at brands or prices, think about how you actually sleep. Your dominant sleeping position determines the firmness and support your spine needs to stay properly aligned through the night.

As a general rule, side sleepers tend to suit a softer mattress that cushions the shoulders and hips while contouring to the body's curves. Back sleepers usually do best on a medium feel that supports the lower back without letting the hips sink too far. Stomach sleepers generally need a firmer surface to stop the midsection dropping and pulling the spine out of line.

Your body weight also matters. Heavier sleepers often feel a mattress as softer than a lighter person would, so a firm-rated model may feel just right. Couples with different builds or preferences should consider a mattress with independent support, such as pocket springs or a dual-firmness design, so one partner's movement does not disturb the other.

What Type of Mattress Is Best?

There is no single winner here; the best type simply depends on your comfort preference, budget and any specific needs like temperature control or allergies. Below is how the main options compare.

Foam mattresses cradle your body, ease pressure on joints and absorb movement well, which makes them a popular choice for couples and side sleepers. Quality foam and memory foam can relieve pressure points beautifully, though some sleepers find dense foam retains warmth. Look for open-cell or gel-infused options if you sleep hot.

Spring (coil) mattresses give you firm support and a lot of airflow, which keeps them cooler overnight. Pocket-spring versions move on their own and keep disturbance down, while older interconnected designs can transfer motion and wear faster.

Latex mattresses are durable, breathable and naturally resistant to dust mites, which appeals to allergy sufferers. They carry a firmer, bouncier feel and usually sit at the higher end of the price range.

Hybrid mattresses combine a spring core with comfort layers of foam or latex, aiming to blend support, contouring and airflow in one bed.

If you are unsure, a foam or hybrid feel suits the widest range of sleepers. You can explore ACT Foam & Rubber's range of mattresses, including foam and dual-layer memory foam options, to get a sense of what each construction feels like.

Getting Firmness Right

Firmness is measured on a soft-to-firm scale, but it is subjective; one brand's "medium" can feel like another's "firm". Rather than chasing a number, match firmness to your sleeping position and weight as described above.

If you love your current bed's support but want a little extra cushioning, a mattress topper or foam overlay can adjust the feel without the cost of a whole new mattress. It is a smart, budget-friendly way to fine-tune comfort or extend the life of a bed that is still structurally sound.

Choosing the Right Size

Retailers generally advise buying the largest bed your room can comfortably fit, with the mattress at least 10 to 15 cm longer than the tallest person using it. Standard Australian sizes run from single and king single through to double, queen and king. Measure your room and bed base first, leaving space to walk around and open wardrobes and drawers. Couples who value space should lean towards a queen or king where the room allows.

Quick Guide: Which Mattress Should You Choose?

Use these quick pointers to narrow your options at a glance, then read on for the detail.

• Side sleepers: Go soft to medium. A foam or memory foam mattress cushions the shoulders and hips and eases pressure points.

• Back sleepers: Go medium. A hybrid or foam mattress holds the lower back up without letting it sag.

• Stomach sleepers: Firmer is better. Spring or firm foam stops the midsection sinking and dragging your spine out of line.

• Hot sleepers: Choose spring, latex or gel-infused foam for better airflow and a cooler night's sleep.

• Couples with different needs: Pocket spring or dual-firmness. Less partner disturbance, and it copes with two body types.

• Allergy sufferers: Latex is naturally resistant to dust mites and a good option for sensitive sleepers.

• Budget-conscious buyers: A quality foam mattress, or a foam overlay to refresh an existing bed, delivers comfort without the high price tag.

In short: match the firmness to your sleeping position first, then choose the mattress type that suits your temperature, budget and any allergies. Side sleepers lean softer, stomach sleepers lean firmer, and back sleepers sit comfortably in the middle.

Try Before You Commit

If you are shopping in-store, take your time. A couple of minutes lying flat will not tell you much, so settle in for at least ten minutes in your usual sleeping position. Roll over, sit up and get in and out to test how easily the surface moves with you. Bring your partner if you share a bed, and make sure the store base is similar to the one you have at home, since slats and solid bases change how a mattress feels.

For a mattress-in-a-box bought online, check the trial period and return terms before purchasing. Many brands offer a sleep trial so you can properly assess comfort at home, which removes much of the guesswork of buying without lying down first.

How Long Do Mattresses Last?

Seven to ten years is the rough life of a decent mattress, though materials, build quality and how you look after it all nudge that figure around. The warning signs are clear enough once you know what you're looking at. Sagging or lumps you can see. A surface that's stopped feeling supportive. Waking up stiff and sore when you never used to. Smells or stains that won't clean out, that's another one.

A little upkeep buys you time. A washable mattress protector against sweat, spills and dust. Rotating it every so often so it wears evenly. The odd vacuum. None of it's much effort, and it keeps the bed fresher for longer, plus it can help with warranty claims down the track, since plenty of warranties won't touch staining.

Final Thoughts: Choosing the Right Mattress 

Choosing a mattress does not need to be overwhelming. Start with how you sleep, pick a mattress type that matches your comfort and temperature needs, get the firmness and size right, and test properly before you buy. Do that, and you will have set yourself up for years of better rest.

If you would like to feel the difference between foam, memory foam and overlay options for yourself, browse our mattress collection or get in touch with the team for friendly, no-pressure advice on finding the right fit.