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As someone who regularly sleeps hot, I know how frustrating it can be to wake up in the middle of the night feeling overheated and uncomfortable.
No matter how cold you keep your bedroom or how many fans you turn on, your mattress still plays a major role in how comfortable you feel throughout the night. But as more people look for ways to reduce heat at night, the definition of a “cooling mattress” has become increasingly complicated and full of sales jargon.
Some mattresses focus on the materials themselves, using breathable fabrics, natural fibers, and temperature-regulating foams or latex to prevent heat buildup. Others use technology to actively adjust the temperature of the sleep surface throughout the night.
Avocado builds mattresses around natural materials like organic latex, wool, and cotton designed to create a breathable sleep environment. Eight Sleep’s approach is technology-focused, adding water-based temperature regulation and sleep tracking through a smart cover that sits on top of your existing mattress.
At first glance, they may seem like alternatives, but after looking closer, I realized they are actually solving two different problems: Avocado is focused on building a cooler, more sustainable mattress, while Eight Sleep is focused on controlling the temperature of your sleep environment.
What Is the Difference Between Passive and Active Cooling?
The biggest difference between Avocado and Eight Sleep comes down to passive versus active cooling.
Passive cooling relies on the materials in the mattress itself to manage heat. Breathable fabrics and natural fibers help prevent heat from being trapped under and around your body. Active cooling goes a step further by using technology to change the temperature of the sleep surface itself.
The Avocado Mattress is a great example of passive cooling because it focuses on choosing materials that naturally allow airflow. Organic cotton, latex, and wool have natural properties that help prevent heat buildup. By preventing overheating in the first place, your body’s heat is managed through the night without relying on synthetic materials or technology.
Eight Sleep is an active cooling system. Using water circulation in the Eight Sleep Pod Cover, temperature adjustments can happen automatically. Because it can be personalized, the Pod Cover uses sensors, sleep data, and your preferences to adjust the temperature of the sleep surface throughout the night. Eight Sleep uses this technology, sensors, and software to respond to your sleep environment in real time rather than simply relying on materials to reduce heat buildup.
To put it more simply, this active cooling method changes the sleep environment as needed, instead of just preventing heat like a passive cooling method would.
Avocado Mattress: Natural Cooling Without the Technology
Now that you know what materials are used in passive cooling, you may be wondering how that looks in practice. Avocado’s approach is appealing because it focuses on improving the mattress itself rather than adding technology. Avocado uses organic latex, which has an open-cell structure. This means that air can move through the material more easily than it could through dense memory foam.
Avocado also uses organic wool in many of their mattresses. Because wool is naturally temperature regulating, it can help wick moisture away from the body and manage changes in temperature throughout the night. In addition, organic cotton is used in Avocado’s cover and quilting layers. This is another example of passive cooling because it adds a breathable layer between the sleeper and the mattress, helping to create a more airy surface compared with synthetic fabrics that may feel less breathable.
Many Avocado mattresses also use a coil-based hybrid construction, which creates additional airflow through the mattress compared with dense all-foam designs. This open structure helps prevent heat from becoming trapped inside the mattress.
If you prioritize natural materials, sustainability, and long-term durability, this approach offers a lot of benefits. Instead of using cooling gels or electronics, Avocado relies on the natural properties that come with latex, wool, cotton, and their breathable construction to create a sleep surface designed to resist heat buildup. These materials appeal to shoppers who want a durable mattress made with fewer synthetic materials and a stronger focus on long-term sustainability.
However, passive cooling has a natural limitation: it can only help manage the heat your body produces. It cannot actively lower the temperature of the mattress once you begin overheating. For many sleepers, especially those who tend to sleep warm rather than extremely hot, this may be enough. But if you are like me and regularly wake up sweaty or find yourself constantly adjusting your blankets, a naturally breathable mattress may not completely solve the problem.
Eight Sleep: Adding Temperature Control to Any Mattress
This is where Eight Sleep takes a fundamentally different approach. Instead of trying to build a mattress that traps less heat, it gives sleepers direct control over the temperature of their sleep surface.
The Pod Cover sits on top of your existing mattress and uses water-filled channels connected to a hub that sits on your nightstand, heating or cooling the surface as needed throughout the night. An advantage of the Pod Cover is that it does not require replacing your current mattress. Instead, it acts as a temperature-regulating layer that can be added on top of many compatible mattresses.
One feature that stood out to me is the dual-zone cooling. My boyfriend and I consistently require different sleep temperatures. I wake up to throw the blankets off of the bed, while he often wakes up to pull them back on. This is when a smart sleep system would be useful, because the Pod Cover can track both sides of the bed and adjust accordingly.
Over time, the system can learn your preferences and help create a more personalized sleep environment so that both partners can sleep more comfortably.
Eight Sleep is also a great option if sleep tracking is important to you. Unlike a smart watch or ring, you don’t need to wear anything on your body to monitor metrics like sleep durations, sleep stages, heart rate, and more. This data is analyzed through the Eight Sleep App, so you can view sleep trends and insights over time.
Because it is a system that learns and responds, automatic adjustments happen as needed and become more accurate as time goes on.
Are Avocado and Eight Sleep Actually Competitors?
The more I compared Avocado and Eight Sleep, the more I realized they aren’t necessarily competing products. As a shopper, you don’t necessarily have to choose between natural materials and active cooling.
Someone could use an Avocado mattress as the breathable, sustainable base while adding an Eight Sleep Pod Cover for temperature regulation that adjusts throughout the night.
Plus, longevity is one area where both products appeal to similar shoppers.
Avocado attracts buyers who want a durable mattress made from natural materials designed to last. Eight Sleep appeals to buyers who want to extend the usefulness of their existing mattress by upgrading the sleep experience without replacing the entire bed.
Which One Is Better For Hot Sleepers?
The right choice ultimately depends on what kind of cooling solution you are looking for. Avocado and Eight Sleep are both appealing options, but they are designed for different types of sleepers.
If your main issue is that your mattress feels warmer than you would like, Avocado’s passive cooling approach may be enough. Its combination of organic latex, wool, cotton, and breathable construction creates a sleep surface that is designed to release heat rather than trap it. This makes it a strong choice for shoppers who want a comfortable, durable mattress without adding technology to their bedroom.
However, if you consistently wake up overheated, sweaty, or uncomfortable despite trying different mattresses and bedroom adjustments, Eight Sleep offers something a traditional mattress cannot. Instead of relying on materials to manage heat, it gives you direct control over the temperature of your sleep surface.
The ability to track sleep and its technology that adapts throughout the night makes it a solid choice for someone looking to invest in a better sleep experience.
The Long-Term Investment: Mattress vs Sleep Technology
Another important difference between Avocado and Eight Sleep is what you are actually investing in. Avocado represents a traditional mattress purchase. You are paying for the materials, construction, and durability of the mattress itself. For shoppers who prioritize sustainability, natural materials, and buying fewer products that last longer, this approach can be appealing.
Eight Sleep represents a different type of investment. Instead of replacing your mattress, you are upgrading the sleep environment around it. The Pod Cover allows you to add temperature control and smart features to a mattress you already own, which could make it appealing for someone who does not want to replace a comfortable bed simply because they sleep hot.
The tradeoff is that Eight Sleep comes with more complexity. Along with the upfront cost of the system, some features require a membership, and the technology introduces another device into your bedroom. For some shoppers, the simplicity of a high-quality mattress is the only goal. For others, the ability to improve their sleep environment without replacing their mattress makes the added complexity worthwhile.
Avocado Vs. Eight Sleep: Which Should You Choose?
After comparing Avocado and Eight Sleep, the biggest takeaway is that they are not competing for the same shopper. They are designed to solve different problems. Avocado creates a cooler foundation through natural materials that improve airflow, moisture management, and comfort. Eight Sleep takes cooling a step further by actively controlling the temperature of the sleep surface.
For shoppers who want a sustainable mattress made from natural materials, Avocado offers a compelling approach. It is a great choice for someone who sleeps warm but wants to avoid electronics and prioritize long-term durability.
But for sleepers like me who struggle with overheating throughout the night, passive cooling may not always be enough. Eight Sleep stands out because it doesn’t just reduce heat buildup; it gives you the ability to actively manage temperature based on your preferences.
Ultimately, the best option depends on whether you are looking for a naturally cooler mattress or a smarter sleep environment. For shoppers who want both, an Avocado mattress paired with an Eight Sleep Pod Cover may offer the best of both worlds.