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Sleeping in the heat can be a real challenge. Hot, tropical nights disrupt sleep and reduce the quality of rest. While during the day we can still cool off, at night it all depends on the environment we sleep in - and the right mattress makes all the difference.

In this article, discover the best mattresses for summer, with innovative thermal technologies, breathable materials and useful tips for transforming your bedroom.

Thermal Regulation During Sleep

During sleep, our body continues to release heat. When the mattress retains this heat, the result can be discomfort, night sweats and interrupted sleep. A cool mattress with good thermal performance helps maintain a stable body temperature, promoting deep and restful sleep.

What's more, with average temperatures rising over the last few decades, it's becoming even more urgent to opt for rest solutions adapted to hot climates.

What is a mattress with thermal performance?

It is a mattress designed with materials and technologies that encourage natural temperature regulation during the night. These mattresses prevent overheating in summer and help maintain a feeling of thermal comfort in winter.

Essential features of a cool mattress for summer

Breathable materials

Models made with materials that facilitate ventilation, such as perforated viscoelastic foams, pocket springs and thermoregulating fabrics, allow for better air circulation and heat dissipation. Natural fibers such as Tencel™ Lyoncel promote air circulation and reduce heat and moisture retention.

Thermal Regulation Technologies

• Viscoelastic foam with cooling gel: Helps dissipate body heat, providing a cooler sleeping surface.
• Thermoregulating fabrics: Natural and sustainable fibers such as Tencel™ Lyoncel absorb moisture and allow for greater air circulation, maintaining thermal comfort throughout the night.

Core with ventilation zones

Models with pocket springs or internal ventilation zones allow for a constant flow of air. This ventilation prevents overheating and contributes to a fresher and more hygienic sleeping environment.

Mattress firmness

A mattress that is too soft can sink in and retain heat. A model that is too firm may not allow for a good fit. The ideal is a medium to medium-high firmness level to provide support without compromising thermal comfort.

Types of cool mattresses ideal for hot weather

Box spring mattresses

These pocket spring models are naturally cooler, offering excellent internal ventilation, support and durability. They are ideal for dissipating heat during hot summer nights.

Each spring acts independently, adapting to the contours of the body and minimizing the transmission of movement. If you're looking for a fresh mattress that's ideal for a double bed, the Nature Spring Deluxe Matt ress and the Nature Spring Topper Matt ress (for those who value softness) offer the perfect balance for cool nights for two.

Gel memory foam mattresses

Viscoelastic gel is an innovative material that provides excellent thermoregulation, allowing you to sleep more calmly and comfortably throughout the night. When added to a foam mattress, this layer provides an innovative combination of technology and incomparable comfort. Our Nature Prime Viscogel Mattress is a mattress developed with those who suffer from constant night sweating in mind, with excellent thermal regulation.

Who are they for?

Mattress models with the characteristics mentioned above are especially beneficial for:

• People who sweat at night.
• Couples with different thermal sensitivities.
• Those who live in areas with hot summers or tropical nights.
• People who value a stable and healthy sleeping environment.

Tips for making your mattress cooler

• Use mattress protectors with cooling technology such as the Waterproof Mattress Protector model you'll find in our online store;
• Opt for cool cushions, such as the cushion with perforated cooling gel, for better air circulation and less heat build-up;
• Opt for light, natural bedding: linen, bamboo and cotton, available in our physical store in various sizes and textures, absorb moisture and promote ventilation.
• Choose light comforters with a cool thermal level, ideal for summer.
• Ensure that the mattress is sanitized regularly and correctly, guaranteeing a clean, fresh and revitalizing sleeping environment.

Explore all the tips for cleaning your fresh mattress properly and make sure it stays clean and lasts a long time.

What is the best mattress for people who sweat a lot?

Do you feel hot at night? If so, you're not alone. That's why a cool mattress that stimulates air circulation and maintains a stable temperature can make all the difference.

For those who tend to sweat at night and want to sleep better in the heat, models with pocket springs or viscoelastic gel are highly recommended. These materials help to evaporate moisture and maintain a stable temperature, preventing the sensation of excessive heat. We recommend the Nature Prime Viscogel mattress, as well as the Nature Spring Deluxe model, developed with people who suffer from night-time discomfort due to high body temperature in mind, keeping the temperature completely stable during the night, ideal for those who are hotter.

How can you make your mattress more comfortable?

• Topper or mattress topper with adaptable foam or cooling fibers.
• Firm, well-ventilated base or sommier.
• Quality protectors and sheets that are breathable and soft to the touch.
• Check the condition of the mattress regularly and rotate it periodically to avoid deformities.

Sleeping well in summer is possible - and it all starts with the right mattress. If you feel hot at night, wake up sweaty or can't sleep in the heat, maybe it's time to make a change. Leafsleep mattresses have been developed with state-of-the-art thermal comfort technologies, so that every night is a moment of true rest, even on the hottest nights of the year.