If you’ve ever woken up in a sweat at 3am during a Perth summer, you’ve probably wondered whether a cooling mattress is actually worth the investment — or just clever marketing. The honest answer? It depends on the technology inside. This article breaks down exactly how cooling mattresses work, what their limits are, and how to find one that genuinely keeps you comfortable throughout the night.
Alia’s climate makes sleep temperature a very real issue. In cities like Perth, Adelaide, and Brisbane, summer nights can stay stubbornly warm well past midnight. Even with air conditioning, your mattress itself can trap and radiate heat back at you throughout the night — keeping your core body temperature higher than it needs to be for deep, restorative sleep.
Research consistently shows that our bodies need to drop in core temperature to fall into deep sleep stages. When a mattress retains heat, it works against that process, leading to more restless nights, more frequent waking, and groggier mornings. This is exactly why the cooling mattress category has grown so significantly in recent years.
Not all cooling mattresses use the same approach, and understanding the difference matters. Here are the main technologies used in today’s market.
This is the most common cooling technology available. Gel particles or gel layers are blended into memory foam to help absorb and disperse body heat away from your sleeping surface. Rather than foam simply soaking up warmth and holding it, gel-infused foam moves that heat outward more efficiently. Browse Bed World’s range of cooling gel memory foam mattresses to see this technology in action.
Copper is a natural conductor of heat, which means copper-infused foam can help pull warmth away from the body even faster than standard gel. It also has natural antimicrobial properties, which is a bonus for allergy sufferers. If this interests you, have a look at Bed World’s copper infused mattress collection.
Latex is inherently more breathable than synthetic foam. Its open-cell structure allows air to move freely through the material, preventing the heat build-up that memory foam is sometimes criticised for. Latex mattresses are a popular choice for hot sleepers who also want a responsive, buoyant feel.
Pocket spring mattresses offer excellent airflow by their very nature. The individual coils surrounded by fabric pockets create open channels throughout the mattress core, allowing heat to escape rather than accumulate. This makes them a naturally cooler option even without added cooling technology. Explore the full range of pocket spring mattresses at Bed World Online.
Some premium mattresses use phase change materials in their covers or comfort layers. PCMs absorb heat as they transition between states, creating a noticeably cool-to-touch surface. This technology is typically found in higher-end models and offers some of the most consistent cooling performance available.
So… Do They Stay Cool All Night?
Here’s the part most mattress marketing glosses over: cooling mattresses do not actively refrigerate your sleeping surface. They work by managing heat more effectively than a standard mattress — absorbing it, dispersing it, or allowing it to escape through better airflow.
What this means in practice is that the answer depends heavily on two things: the quality of the technology and your personal sleep environment. A well-made cooling gel or copper-infused mattress will feel noticeably cooler than a standard foam mattress throughout the night. But in an unventilated room on a 35°C Perth evening, no mattress alone is going to keep you perfectly comfortable without some air circulation to help.
GOOD TO KNOW: Think of a cooling mattress as one layer of your overall sleep environment strategy — not a standalone solution. Pairing it with breathable bedding and good room ventilation makes a significant difference.
Several factors influence whether your cooling mattress will deliver on its promise across a full night:
At Bed World Online, we stock several Australian-trusted brands with strong cooling credentials:
Loren Williams — known for premium comfort layers with thoughtful temperature management built into their construction.
A.H. Beard — one of Australia’s most respected mattress makers, with options specifically designed for warmer sleepers.
Mlily — specialists in memory foam and gel hybrid technology, offering excellent value for heat-conscious shoppers.
Slumbercare — a solid Australian brand with a wide range of pocket spring and hybrid options suited to different budgets and sleep styles.
Getting the most out of a cooling mattress is as much about how you set up your sleep environment as it is about the product itself. Here’s what we recommend:
If you’re ready to stop waking up hot and start sleeping the way you should, Bed World Online has one of Perth’s most comprehensive ranges of cooling mattresses — from entry-level gel foam options to premium latex and copper-infused models. Whether you’re shopping by budget, brand, or feel, our collections make it easy to find exactly what you need.
Not sure where to start? Browse by your preferred mattress type, filter by size — from single through to super king — or shop by your budget. Better sleep is closer than you think.
