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05 Jun 2019 07:31 #251 by ahurvitz
I've been reading a lot of background material on this site and here's my question:

We have been sleeping on a Sleep Science 9" Talalay Mattress from Costco for 5 years. It has a 3" layer of ILD 19 and a 6" bottom layer of ILD 32. We have loved it, but it turned out to be defective and we need to replace it now. We could always replace it with the same mattress, but there seem to be so many other options that cost less using the same materials. I called Talalay Global (the sole U.S. manufacturer) and they said the Talalay they supply to all the mattress firms is pretty much the same. So, if I find an online company that has the same specs as the Sleep Science mattress, can I expect it to feel the same? If most of the companies in the Expert list get their raw materials from the same manufacturers, should the mattress feel the same? The implication is that it doesn't work that way, but I can't understand why. Thanks!

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08 Jun 2019 11:04 - 08 Jun 2019 11:09 #252 by Sensei
Hey ahuritz,

Welcome to the forum :).

Thanks for the post, it's a really good question, and a lot of people have asked this in the past. It just should "feel the same"....and it never does! Now it can feel very very similar to some people here are the main reason why;

1. The cover construction and method of manufacturing. The Sleep Science - did it have a zipper cover with zipper on the bottom of the mattress? Other beds have a "tape edge" where one sews the top panel to the sides - this style will feel much firmer. Or maybe, like Arizona Premium...a veteran knowledgeable latex trusted member who uses latex layers and a zipper cover, with a zipper located at the top of mattress, I believe. Or Zipper on bottom of cover.

Then the fabric choice and th FR choice used in the mattress will affect the feel. Someone using a 330 GSM fabric and someone else using a 600GSM...different feel. Wool vs other FR fibers, how the FR layer is applied....etc.

And Cover size; if a company is using covers that are 80 x 60 inches and another has a cover that is 79.5 x 59.5 inches but will stretch...totally different feel--- same latex.

The Latex itself made by Talalay Global, a high-quality manufacturer, still has a "range" for 32 ILD, all ILD's so "technically" you could have slept on a 17ILD over 30ILD, but all within normal manufacturing ranges...but different feel. I could go on, but I am sure you get the picture, If you want to know more, I can send you to other links on TMU that explains it in more detail.

Talk to Latex Experts, like Ken, and they will know what to do.

Thanks again and good luck.

Sensei

Sensei(@ TMU Team)
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Last edit: 08 Jun 2019 11:09 by Sensei.

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11 Jun 2019 13:36 - 14 Jun 2019 12:06 #253 by Goonieguy
Hello again!! i wanted to update you all on the specs for the Layla mattress! This is directly from the website Faq's! :)

The Layla mattress uses a core foam with a density of 2.0 pounds. The convoluted air flow layer which supports the soft side has a density of 1.8 pounds giving you a softer feel. The Copper Infused Memory Foam (on both sides) has a density of 3.5 pounds.

Firm side 1in 3.5lb memory foam
Core Foam: 2.0 lbs poly foam
Softer side support layer 2in. 1.8 lbs polyfoam
Softer side comfort layer 3 in 3.5lb. memory foam
Last edit: 14 Jun 2019 12:06 by Goonieguy.

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13 Jun 2019 08:14 #254 by Phoenix
Hi Goonieguy.

Thank you, as always for posting updated specs about the Layla mattress. It's always helpful for consumers to have this information, and I am glad that Layla is being transparent with their specifications.

Thank you!
Phoenix

Researching for a mattress?... Be sure to read The Mattress Shopping Tutorial.
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14 Jun 2019 12:07 #255 by Goonieguy
You are welcome! I find it funny really that this is something I enjoy doing in my spare time :-D

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16 Jun 2019 00:51 #256 by Phoenix
Hi Goonieguy,

That is really funny, don't worry I won't tell anyone....oh wait ....is this a public forum? This is why we love avatar names on forums!!!

Phoenix

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13 Jul 2019 20:01 #257 by princessonapea
Hello,

Thank you very much for all the information on this forum!
I am looking for a new queen mattress and would appreciate some advice.
I have owned around 4 different mattresses in the last 10 years, and every single one of them developed a sink (sometime visible, sometimes not) after only a few months. Right now I am sleeping on a IKEA MORGEDAL FIRM. I bought it 2 years ago, hopping that the firm version would avoid these sagging problems (the previous mattress I had was a very soft Sealy which sagged horribly), but after only a few months I noticed that the middle where I have been sleeping is much softer, which is now causing me lower back pain.

The physical mattress shops that are available to me are: mattress warehouse, mattress firm, Macy, Bob's furniture. As I have learned by reading the posts and tutorials in this forum, all of these stores are not good as they only carry only big brands mattresses and dont have any detailed information about the quality of the layers (I asked for spec sheets or foam densities but did not get an answer in any of them). There is also what I believe to be a small, locally owned store. They carry 5 or so models, mostly by Eclipse. I could not find any details about this manufacturer, neither from the salesperson or the internet.

Thus, I think my best option is to buy a mattress online, from a place that offers a free return period.
I have been mostly searching the online stores listed in Part 2 and Part 3 of this thread.
I converged on these two: Luma Mattress ($922.50) and Kiss Mattress ($995.00).
The reason for these two is simply that they are "Suitable for all weight ranges." according to that post.
While I am only 6 feet and ~ 175-190 lb, I am afraid, given my experience, of sagging. This is pretty much my number one concern in buying a mattress right now. I wonder therefore if the "slight caution if you are in a higher weight range" may apply to me as well.
Otherwise, I was also looking at Ghostbed, Bear mattress and maybe a few others.
I sleep mostly on my back and I think a mattress on the firmer side would be better.
I am a hot sleeper, and tend to sweat a lot at night if the room is not very cold. My understanding at first was that memory foam mattress are worse for heat retention. I was looking therefore at hybrid (foam-coil) mattresses, but I have also seen contradictory statements, suggesting the hybrids might be hotter than all foam. So now I am somewhat confused about that.

Finally, I may have to move in 3 or 4 years, and may have to get rid of this mattress so I sometimes wonder whether it makes sense to spend $1000 or more on a mattress only for a few years. However, with my experience, every mattress that I owned lost support in a matter of months. So I am ready to spend that much money, if only the mattress could last to me for 3 or 4 years.

I would appreciate any advice and any other good options that I may have missed.

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15 Jul 2019 13:36 #258 by Phoenix
Hi princessonapea.

Welcome to our mattress forum :). Thank you for your post, and well done with your research so far. Just FYI here is the link for Eclipse Mattress, this brand is owned by Bedding Industries of America .

I sleep mostly on my back and I think a mattress on the firmer side would be better. I am a hot sleeper, and tend to sweat a lot at night if the room is not very cold. My understanding at first was that memory foam mattress are worse for heat retention. I was looking therefore at hybrid (foam-coil) mattresses, but I have also seen contradictory statements, suggesting the hybrids might be hotter than all foam. So now I am somewhat confused about that.


Memory foams are well-known for sleeping hot issues compared to latex and innerspring/hybrid mattresses. Latex, in general, is also the most breathable and "temperature neutral" of all the different types of foam materials but the firmness of a mattress and how much you sink into it can also affect sleeping temperature as well. While it's also not always possible to track down temperature regulation issues for any particular person on a specific mattress because there are so many variables involved (including your room temperature and humidity, your sheets and bedding and bedclothes, your mattress protector or any mattress pads you are using, and where you are in the "oven to iceberg" range) and some people can sleep warmer on mattresses that most people are generally fine with ... there is more about tracking mattress temperature regulation issues potential causes ~ Post #2 here (at least to the degree possible for a specific mattress) and the posts it links to that may be helpful.

It looks like you are well on your way to finding one of the better online companies with your choices of Ghostbed, Luma, and Kiss Mattress, as these companies are all part of TMU's Mattress membership listing . With these mattress manufacturer companies, we are confident they will provide and help you with the right specifications to avoid any sagging issues. It looks like you've read in our mattress durability guidelines , and as you can see your BMI is 23.7, which is less than the "Above 30" threshold where we would caution in terms of the foam durability and likelihood to wear much faster for higher BMI weight ranges. That being said, the Mattress manufacturers you mentioned are members of our site which have good quality/value mattress options that are very unlikely to develop sagging over time

Please let us know if you have any more questions, and we will also get to your post about foundations.

Phoenix

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15 Jul 2019 17:14 #259 by princessonapea
Dear Phoenix,

Thank you very much for your reply.

I went to the Eclipse website, but of course I could not find any information about the foam densities, etc to make a judgment about the quality.
I am thinking about removing it from consideration (which I already did) unless you have some good thoughts/knowledge about it?

Regarding the sagging issue, I guess I am just paranoid given my prior experience. My BMI is closer to 25 and can be a bit higher. My last (current) mattress, the IKEA MORGEDAL firm has a layer of 1.7 lb/cu.ft form, which lower than your recommended 1.8. Although 1.8 is where you still add a caution.
Now, the IKEA mattress started sagging after only a few months (3 maybe?). I am thinking, is 1.8 that much better than 1.7 so that I can be completely at ease?

For these reasons, I tried to avoid the mattress where you "add a slight caution".

I think my situation is very similar to this post here
and I am curious what you have to say about it too!

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17 Jul 2019 11:04 - 17 Jul 2019 11:09 #260 by Phoenix
Hi princessonapea.

You are very welcome. :) Noted on the Eclipse ... I do not have any reason to convince you to keep on your list especially when there are so many other options, companies, and manufacturers being transparent and disclosing what is in their mattress. I understand your issue with sagging, and I don't think it's "paranoia"... along with mattress suitability, how long you will sleep well on a mattress is one of the most significant considerations in the purchase of a mattress for most people.

Now, the IKEA mattress started sagging after only a few months (3 maybe?). I am thinking, is 1.8 that much better than 1.7 so that I can be completely at ease"


This really "depends" as there are so many manufacturers of polyfoam and other factors, such as formulation. This is why our cautions are guidance. For instance, IKEA has their own polyurethane pouring plants, and they buy 10's of Millions of dollars of foam from many other manufacturers.

Given your past experience, it seems that you are already aiming in a good direction with looking at hybrid mattresses with coils and latex or foam for comfort layers ... depending on the "trapped heat" factor you mentioned you could even possibly consider higher density memory foam, but you would need to thoroughly check that the temperature microclimate is appropriate for you.

Regarding the TMU link you posted, which of the consumer members in that particular thread were you comparing your situation to?

Phoenix

Researching for a mattress?... Be sure to read The Mattress Shopping Tutorial.
Click here for TMU Discount Codes if purchasing from Our Trusted Members.
For any mattress questions Ask An Expert on our forum
Last edit: 17 Jul 2019 11:09 by Phoenix.

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