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Lower backs hurt with new Sleep on Latex mattress

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05 Aug 2019 11:36 #1 by eh1160
Both my wife and I wake up with "worn out" lower backs after sleeping on our new Sleep on Latex Pure Green Natural Latex Mattress (6" king size medium firmness). It feels like our lower backs are arched too much, and we need a good stretch in the morning. I wake up repeatedly to find a new comfortable position. I prefer to sleep on my back, but in order to get comfortable, I end up on my sides and even my stomach.
From reading the forums, it seems like a quality brand. I could still return it, but I'm wondering if I could correct the issue with one of their toppers. But I have no idea which topper to try. 1", 2", 3"? Firm, medium, soft? How would I figure this out?

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05 Aug 2019 11:46 #2 by Latex Mattress Factory.
Hello and thanks for reaching out! I'd be happy to help, I would just need a bit more information to make an accurate recommendation. If you don't mind me asking, about how tall are both of you, about how much do you each weigh, and does your wife normally sleep on her side, stomach, or back?

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05 Aug 2019 11:58 - 05 Aug 2019 12:00 #3 by eh1160
Sorry, I intended to provide that, but forgot!

6', 180 lbs (male) - Sleeps primarily on back, but also sides and rarely stomach
5' 6", 130 lbs (female) - Sleeps on sides and back, never stomach
Last edit: 05 Aug 2019 12:00 by eh1160.

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05 Aug 2019 13:46 - 05 Aug 2019 13:55 #4 by Latex Mattress Factory.
Lower back pain is normally attributed to a mattress being too soft / not having enough primary support. Lower back pain is also sometimes attributed to a lack of secondary support, which describes the way a mattress fills in the gaps between your body and the mattress. For example, side sleepers normally benefit from secondary support when the top portion of the mattress fills in the gaps between the mattress and the area just under a person's ribs. If that section isn't held up by the mattress properly, your lower back muscles will strain through the night to help keep your spine straight, leading to lower back pain. Back sleepers normally benefit from secondary support when it fills in the gaps between the small of your back and the mattress. If you feel like this is the issue, then a 3” soft Talalay would be the best way to get the mattress dialed in. If you’re going to stick with Sleep On Latex for your topper, then you would have to get a 3” soft Dunlop topper, although Dunlop won’t provide as much secondary support as a Talalay topper since Talalay is much better at contouring to the curves of your body. If you add a 3” soft topper and your back pain gets worse, then it’s likely that the 6” core of medium Dunlop isn’t supportive enough.

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Last edit: 05 Aug 2019 13:55 by Latex Mattress Factory..

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06 Aug 2019 06:16 #5 by eh1160
Thank you for the excellent insights!
Since Sleep on Latex only offers Dunlop latex, I think I'll shop around for a topper. Is it also worth considering memory foam? My understanding from reading the forums is that latex is generally more durable, and that it probably comes does to personal preference.

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06 Aug 2019 06:45 #6 by eh1160
Also, my understanding is that the Pure Green mattress already includes a 2" comfort layer with 20 ILD Dunlop latex. If I am looking for a softer Talalay topper, does that mean I would want something lower than 20 ILD?

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06 Aug 2019 16:31 #7 by Latex Mattress Factory.
There are many differences between memory foam and latex - latex is a natural product that is certified against harmful chemicals and off gassing. Latex mattress typically last 20 years (sometimes 30-40 years) whereas memory foam mattresses typically last 5-8 years. Latex is an open-celled product that is naturally breathable and sleeps cool, whereas memory foam is close-celled and traps body heat, causing it to sleep hot. Memory foam gets softer as you sleep on it and latex does not change feel over the night. The main reason I recommended a latex topper instead of memory foam is because as the memory foam topper softens over the course of the night, you will be closer to the firm mattress that you're trying to move away from, which may lead to pressure point issues.

At your height & weight I don't think a super soft topper (14-16 ILD) would be a good choice because there's a chance that you bottom out on that topper and, again, sink down to the firm mattress that you're trying to move away from.

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06 Aug 2019 18:00 #8 by eh1160
If I were to buy from Latex Mattress Factory, do you think I should get the 3” Talalay soft (19 ILD) topper?

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07 Aug 2019 10:27 #9 by Latex Mattress Factory.
Yes, based on all the information you've provided, I think a 3" soft (19ILD) Talalay topper has the best chance to be successful for you two.

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08 Aug 2019 10:25 #10 by The Toddler

Latex Mattress Factory. wrote: Lower back pain is normally attributed to a mattress being too soft / not having enough primary support. Lower back pain is also sometimes attributed to a lack of secondary support, which describes the way a mattress fills in the gaps between your body and the mattress. For example, side sleepers normally benefit from secondary support when the top portion of the mattress fills in the gaps between the mattress and the area just under a person's ribs. If that section isn't held up by the mattress properly, your lower back muscles will strain through the night to help keep your spine straight, leading to lower back pain. Back sleepers normally benefit from secondary support when it fills in the gaps between the small of your back and the mattress. If you feel like this is the issue, then a 3” soft Talalay would be the best way to get the mattress dialed in. If you’re going to stick with Sleep On Latex for your topper, then you would have to get a 3” soft Dunlop topper, although Dunlop won’t provide as much secondary support as a Talalay topper since Talalay is much better at contouring to the curves of your body. If you add a 3” soft topper and your back pain gets worse, then it’s likely that the 6” core of medium Dunlop isn’t supportive enough.


Apologies for hijacking the thread, but I have a question based on what you said above. I am currently testing out a soft talalay topper (19 ild) and I'm feeling like I'm not getting secondary support because the latex is too soft. It certainly fills in the gaps when laying on my back and side, but I feel like it's just filling in the gaps with light fluff. That is, I don't feel like it's dense enough to provide any support. Do you think I would be better off with a higher ILD, or perhaps dunlop? I'm 6'1" and 160 lbs. Thanks!

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