Would a traditional innerspring be less hot than a hybrid mattress?

Beyond Mattresses
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Would a traditional innerspring more likely be cooler - or more temperature neutral - than a hybrid mattress, seeing that an innerspring has a thinner layer of foam (I think it does, anyway)?

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Hi JBR2022,
The Hybrid, by definition is intended to be a cross between foam and spring with at least 2" of foam. Generally the foams used are memory foams. Although there are some mattresses I have to really think about when they label them innerspring and hybrid, particularly those from the same brand and series of mattress. It is generally accepted that a hybrid has at least 2 inches of memory foam.
Innerspring mattresses may not have any foam at all. Based on that factoid, innerspring mattress would tend to be less hot than hybrids.
I have a hybrid, on my firmer side there is only 2" of HD foam, although not a viscoelastic foam, it is still considered part of the memory foam family, and the cover is 0.75 of quilting. It is does not sleep hot at all, not even close to warm.
I guess the answer is innerspring’s will be less hot than hybrid’s but it depends on how each is stacked up as to whether is will sleep on the hot side.
Now I will say this, the Natural version of my mattress uses pocketed coils, but no memory foam. And only uses 1.5" of Talalay Latex of different firmnesses on each side and it is considered a hybrid.
Most innerspring mattresses can use a springs connected to a single unit like a bonnell innerspring but can also have pocketed coils and be considered an innerspring.
The fact that the mattress uses springs at all with continuous air flow, makes it subject to be less hot than an all foam mattress of any type of foam in comparison to those using the same foam as part of the mattress system.
Different mattress types

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I agree with @Maverick as many people find an innerspring to be cooler. With the hybrid, it also depends on what is on top of the springs. Natural materials that are breathable such as cotton and wool are going to be cooler on the whole than are synthetic materials. Organic latex is quite breathable, so a hybrid made with that would probably be cooler also. Type of bedding matters, of course, too.

A lot of this will be subjective, so hopefully you will be able to try things out and see what works best for you.

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