As spring and summer temperatures rise across Australia, staying cool at night can become a real challenge. Waking up hot, tossing and turning, or flipping your pillow to the cooler side are all signs that your mattress may be trapping heat. The good news is, with the right design and materials, your mattress can actually help regulate your temperature and improve your overall sleep quality.
1. Look for Breathability and Airflow
The number one factor for hot sleepers is breathability. Traditional foam mattresses, especially those made from dense or low-quality materials, often trap heat. Instead, choose a mattress with gel-infused memory foam, open-cell latex, or a hybrid construction that promotes air circulation.
Sleep Republic’s Hybrid Mattresses are engineered for airflow. They feature cooling gel-infused memory foam, natural latex, and a breathable stretch-knit cover that allows air to flow freely — keeping you cool and comfortable through the night.
2. Prioritise Moisture Control
Hot nights often mean more sweating during sleep. That’s why it’s important to choose a mattress with moisture-wicking materials that keep you dry and fresh. Sleep Republic uses Tencel fabric, a natural and eco-friendly fibre that’s both soft and breathable. It draws moisture away from the body and helps regulate temperature — ideal for humid summer nights.
Pair your mattress with a lightweight, breathable Mattress Protector to maintain airflow while protecting against spills and allergens.
3. Choose a Supportive Spring System
Beyond comfort, support also plays a role in temperature regulation. Solid foam bases can hold heat, while pocket spring systems allow for better airflow and motion isolation. Sleep Republic’s High Definition Pocket Spring System uses individually wrapped coils to provide targeted support and encourage ventilation throughout the mattress core.
This design not only helps you stay cooler but also maintains proper spinal alignment, making it one of the best mattresses for back pain.
4. Consider Seasonal Upgrades
Spring is a great time to assess whether your current mattress and bedding still meet your needs. If you’re constantly waking up hot or restless, it might be time to upgrade. The Sleep Republic Mattress comes with a 150-night risk-free trial and a 12-year warranty, giving you peace of mind with every purchase.
You can also enhance airflow by pairing your mattress with a ventilated Bed Base and breathable bedding made from natural fibres like cotton or bamboo.
Sleep Cooler, Sleep Better
A breathable, moisture-wicking, and supportive mattress can completely transform your sleep during Australia’s warmer months. With the right design, you can maintain comfort, stay cool, and wake up refreshed every morning.
Explore Sleep Republic’s collection of cooling hybrid mattresses designed for Aussie climates and experience the difference in every season.
Frequently Asked Questions
What type of mattress is best for hot sleepers?
A hybrid mattress with cooling gel-infused memory foam and a pocket spring base is ideal. It promotes airflow, reduces heat retention and offers strong support.
How can I stop overheating at night?
Use lightweight, breathable bedding and choose a mattress with moisture-wicking materials like Tencel or bamboo. Keep your bedroom cool and avoid dense foam mattresses that trap heat.
When should I replace my mattress?
If you’re waking up sweaty, sore or noticing sagging spots, it’s time to upgrade. A high-quality hybrid mattress typically lasts 8–12 years with proper care.


