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Tom's Guide
18-07-2025
- Health
- Tom's Guide
Man-made GlacioTex vs natural latex: which is the more effective cooling mattress material?
GlacioTex and latex are both used in cooling beds to assist temperature regulation. If you're deep into researching which of this year's best cooling mattresses to buy, you've likely come across various celestial-sounding materials including these two. Luckily, we're here to help you understand what these materials are and what they bring to your sleep health. It is literally my and my team of mattress testers' job to shift through mattress jargon and marketing waffle to help you find the best mattress for you and your sleep needs, and snap up the best deal in monthly mattress sales. Here we're zooming in on latex and GlacioTex, pitting them against one another in terms of price, design, feel and temperature control to help you decide which luxury mattress material is worth the splurge. GlacioTex is a man-made fabric composed of fibers with high thermal conductivity. Usually sewn into mattress covers, these fibers are able to pull heat away from the mattress surface and, therefore, your body while you sleep. It is also hypoallergenic and waterproof, providing a defense against spills, dust mites and bacteria building up in your bed. While nobody has patented latex, brands under the 3Z umbrella (we're talking Helix, Brooklyn Bedding and Nolah) commonly use GlacioTex in their mattress covers. While there are two types of latex foams (natural and synthetic), it is the natural form we are focusing on here. Natural latex is a foam derived from sap from rubber trees and manufactured into an open-cell foam. The sap is extracted from the tree, mixed with non-toxic materials, whipped until frothed, and then set into a foam. The next step determines whether the natural latex will be Dunlop or Talalay latex. With Dunlop latex, the froth is poured into a mold all the way to the top, then baked, removed from the mold, washed and then baked again. With Talalay, it only partially fills the mold, which is then vacuum-sealed so the liquid expands. Then it's frozen, baked, washed and dried. The result? Talalay has a softer, spongier feel offering the sleeper more cushioning. On the other hand, Dunlop is denser and firmer, providing a more responsive, robust surface. Latex can be found in most of the best organic mattresses and in luxury mattresses like the Birch Luxe Natural mattress and Saatva Latex Hybrid mattress. From the manufacturing process to how they feel when you sleep on them, these materials have several differences, which we will explore here… Firstly, it is important to note that GlacioTex is actively cooling — it pulls heat away from the body to cool you down. Meanwhile, latex is breathable and temperature regulating, meaning it keeps the bed temperature-neutral. While memory foams are notorious for trapping heat, latex is porous and the tiny air pockets allow air to circulate freely. This means heat and moisture are able to escape rather than getting sucked into the foam and trapped against your body. On the other hand, GlacioTex employs high thermal conductivity fibers which transfer heat away from the air and your body. This means GlacioTex fabric remains cool to touch. GlacioTex fabric is typically a 50/50 blend of polyester and polyethylene with high thermal conductivity fibers sewn into it to form a cool mattress or mattress topper cover. These thermal conductivity fibers are able to dissipate heat through the mattress surface. On the other hand, latex foams are used in support and cushioning layers of mattresses. With slight discrepancies between Dunlop and Talalay mentioned above, latex is typically a firm, sturdy foam. Used in top comfort layers and support cores of a mattress, latex has a much larger effect on the overall comfort of a mattress compared with GlacioTex, which is usually only in the thin mattress cover. As a spongy material, latex is known to be durable and bouncy. This property makes it ideal for combination sleepers who like to switch between positions during the night. Firmer than memory foam, it contours to your body while providing spinal support. Meanwhile, our mattress testers have found GlacioTex covers to be slippery in come cases, making it difficult for a fitted sheet to stay put. Besides this minor inconvenience, the GlacioTex doesn't alter the feel of the mattress too much. It simply adds a cool-to-touch surface. As premium mattress materials, neither GlacioTex or latex come particularly cheap. As a natural material used in many of the best organic mattresses you can buy, latex is pricey due to its natural production process. GlacioTex is often available in cooling cover upgrades (Helix GlacioTex cover starts from $187 in a queen size at Helix), incurring extra cost. But it is generally cheaper than latex. While both GlacioTex and latex can contribute to a cooler sleep experience, as we've explored here, latex is generally considered more effective for temperature regulation. This is mainly due to the fact that latex's open cell structure allows air to flow throughout the mattress, improving breathability even in deeper layers. Whereas, limited to the mattress cover, GlacioTex primarily focuses on surface-level cooling. While it can initially feel cool, GlacioTex may not be as effective at dissipating heat trapped within the mattress. In essence, if you're looking for a material that actively regulates temperature and keeps you cool throughout the night, latex is a better choice. If you're primarily concerned with surface-level cooling and a cool-to-the-touch feel, GlacioTex could be a suitable option, but it's less effective at long-term temperature regulation.
Tom's Guide
13-05-2025
- Business
- Tom's Guide
Brooklyn Bedding CopperFlex Pro Hybrid mattress review 2025: A comfortable-for-most mattress with specialist cooling
The Brooklyn Bedding CopperFlex Pro Hybrid mattress is one of the newest (and reasonably priced) models within the 3Z brand sleep suite. As a brand, Brooklyn Bedding mattresses are renowned for performing well in our in-house mattress testing, gaining spots in several of our key guides to the best mattresses of 2025. So, I had high expectations ahead of my the CopperFlex Pro — and it hasn't let me down. You'll find my full review further down the page, but read below for my review in brief... Type: HybridMaterials: Springs, copper foamsFirmness: Firm (7/10)Height: 14'Trial Period: 100 nightsWarranty: LifetimePrice: From $749 (MSRP $998) at Helix Sharing the same cooling GlacioTex cover as the Brooklyn Bedding Aurora Luxe (which ranks highly in our guide to the best cooling mattresses of the year), the CopperFlex Pro is a well-crafted luxury hybrid mattress that costs just under $1,000 for a queen thanks to a 25% off evergreen mattress sale.I'm a combination sleeper, which means that I shift positions from my stomach, back and side throughout the night. That can make it difficult to find a mattress that delivers support for each sleep position. Despite this, I have slept soundly on the mattress over a month. I've been impressed by how cool and comfortable it has kept me night after night, even in the face of an unseasonable British springtime heatwave. In my opinion, the CopperFlex Pro rivals the temperature regulating prowess of some of our favorite cooling beds, such as the Bear Elite Hybrid and Cocoon by Sealy Chill mattress. Brooklyn Bedding peg the CopperFlex Pro as 7/10 for firmness, and I'd agree with that rating. The plush pillow top cover provides ample pressure relief when lying on my side, gently cradling my shoulders, hips and knees. However, the 760 encased coils bolster the mattress' overall support, giving it a responsive sleep feel that you lie on top of rather than sink into it. That makes it suitable for back sleepers, dig into why I think this mattress is a great option for side and combination sleepers looking for a cooling sleep solution to see them through the summer months and beyond... Like the best mattresses for under $1,000, the CopperFlex Pro Hybrid mattress costs $999 for a queen after a 25% off evergreen discount. It comes in six standard sizes from twin to Cal king. Here's the MSRP and usual sale price of each size after the regular 25% discount: Evergreen Brooklyn Bedding mattress sales consistently cut around 25% off all mattresses on their website. And this discount tends to peak at 30% during major sales like the upcoming Memorial Day mattress sales. Of course, this extra 5% saving is nice, but no matter when you shop the CopperFlex, you can rest assured you're getting outstanding quality for a great value price. After the current 25% discount is applied, a queen size chimes in just under $1,000 at $999 (was $1,332). With a limited lifetime warranty, 120-night sleep trial and free shipping included, Brooklyn Bedding's perks are also decent. Brooklyn Bedding CopperFlex Pro Hybrid mattress: twin was $932 now $699 at Brooklyn Bedding This mattress is yet to sell at MSRP since its release in November 2024. After a 25% discount a queen size CopperFlex Pro Hybrid is $999 (MSRP $1,332). Want to buy at the best possible price? Waiting for Memorial Day could score you 30% off. Brooklyn Bedding market the CopperFlex Pro as an 'affordable luxury' mattress and I think they've hit the nail on the head with this description. With its honey combe memory foam pillow top and bronze stitching, it feels like a premium mattress straight out of the box. Beneath the quilted GlacioTex cover, there's 760 encased coils and copper-infused foam (which draws heat from the body), all geared towards temperature regulation, pressure relief and lumbar support. Meanwhile, transition foam takes care of motion isolation and high-density foam provides durability. At 14" tall, the height of the mattress aesthetically lends itself to a five-star hotel luxury while providing sturdy support. But it makes dressing the bed a difficult task. Even a deep pocket sheet struggled to stretch over the tall mattress. Additionally, it is a bit of a clamber to get into bed. Young and fit, this didn't bother me and I like the lofty feel. But, for this reason, it may not be the best option for sleepers with mobility issues (unless you're able to lower your bed frame closer to the ground.) Considering the weight of this bed, handles attached to the cover would make for easier manoeuvring when it is time to rotate your mattress. Brooklyn Bedding rate the CopperFlex Pro Hybrid a 7/10 medium-firm mattress, and I'm inclined to agree with this rating. It provides cushioning and support in equal measure to relieve pressure in joints while supporting the spine through the night. I'm a combination sleeper who switches between side, back and stomach sleeping. But I spend most of my sleep time on my side. Therefore, the pressure relief offered by the plush pillow top on this mattress was perfect for my sleep style. The pillow top surface with honeycomb stitching and ribbing contours to your body as you lay on it. Meanwhile the coil layer is arranged in three zones to enhance lumbar support, which is a premium feature more commonly found in the best mattresses for back pain. You can feel the mattress accommodating your movements as you switch between positions. Although I felt myself sinking into the mattress surface slightly I never felt like I had to fight out of the foam to switch position. Instead it is responsive while offering a gentle hugging feel. I slept on this mattress during marathon training, which meant I was often inflicted with the odd muscle ache and pain, making a supportive mattress all the more important. I credit the CopperFlex for helping me rest and recover well during this intense training block. Ultimately, the pillow top surface makes the CopperFlex Pro Hybrid an ideal mattress for side sleepers and light weight combination sleepers. Light weight side sleepers would likely enjoy the extra cushioning offered by the memory foam CopperFlex Pro. But heavier side sleepers and strict stomach sleepers would benefit from a firmer bed found in our best firm mattress guide. Score: 4 out of 5 Like the best mattresses in a box, the CopperFlex Pro Hybrid comes compressed, rolled and vacuum packed in a cardboard box, which faired the journey to us well. As with any mattress, we recommend having two sets on hands on deck for unboxing. Our unboxers reported minimal off-gassing with this mattress. Literally, they had to get up close to the mattress to smell the unavoidable chemical smell of the packaging, and this dissipated in minutes. The brand recommends leaving the mattress to inflate for 24 hours before snoozing on it. Although it looked ready to sleep on within minutes, I heeded their advice so I didn't damage the mattress materials. Do note that due to the height and heaviness of this mattress, it is difficult to manoeuvre once fully expanded, especially since it doesn't have handles attached to the cover. So you'll want to be sure you unbox it in the bedroom you intend for it to stay (I say this after unboxing it in our sleep studio and then having to lug it up two flights of stairs, which turned into a four-man mission). Score: 4.5 out of 5 We slept on a full size Brooklyn Bedding CopperFlex Pro Hybrid mattress for one month, here's how it performed in our thorough mattress testing procedures... The Brooklyn Bedding CopperFlex passed both our objective and subjective motion isolation tests. Our subjective testing in this area involves balancing a wine glass on one side of the mattress while we drop a 10lb weight from set heights and distances on the other side to replicate the force of another body. The wobble of the wine glass indicates how much movement travels across the bed. On the CopperFlex Pro Hybrid, the wine glass didn't budge until the weight was dropped from 12", at which point we expect a wobble due to the responsiveness of springs in a hybrid mattress. We've used this method on the best hybrid mattresses you can buy online right now, and got a similar result to the CopperFlex, indicating little motion transfer. The CopperFlex Pro Hybrid even performed well through toddler-sitting duties. I shared the bed with my 3-year-old nephew when he came to stay and, although I woke a few times as he wriggled next to me, I still managed to get a good night's sleep overall. Score: 4 out of 5 The Brooklyn Bedding CopperFlex Pro Hybrid packs a lot of cooling technology. The combination of airy coils, copper-infused foams and GlacioTex cover delivers a cool sleep experience night after night. The first thing I noticed about this mattress was how it feels cool to touch, likely thanks to the high thermal conductivity fibers in the GlacioTex cover and copper foams, which zap heat away from the mattress surface. I sleep in an attic bedroom which is prone to trapping heat when the temperature rises. But while I've been snoozing on the CopperFlex Pro Hybrid mattress — through a British heatwave, might I add — I haven't found myself running hot at night as I used to on a standard spring mattress. While exercising before bed is not recommended when it comes to reaching an optimal sleep temperature, there was the odd occasion where an evening run was non-negotiable for me during this testing period. Even on the nights I did forgo expert's advice, I managed to cool down and drift off on the CopperFlex without kicking the sheets off in a fluster. While the temperature regulation offered by this mattress was more than enough for our testing panel, particularly hot sleepers who struggle with night sweats would benefit from an active digital cooling system offered by a top-rated smart bed like an Eight Sleep Pod. Score: 4.5 out of 5 We test edge support to make sure we don't fall when getting out of bed, reaching to our bedside table or rolling over during the night. For our objective tests, we place a 25kg weight on, and sit on, all corners and edges and in the centre of the mattress. With the Brooklyn Bedding CopperFlex Pro Hybrid mattress, we observed a 3.5" sink in all areas. Although that sounds (and looks in the images) like quite a bit of sink, you must expect this with a pillow top mattress. Plus it bounced back immediately once the weight was lifted. When using the mattress night to night, I didn't note any edge support-related problems. As a combination sleeper I need a mattress with reinforced edges to make sure I don't end up on the floor while switching between positions during the night. Happily, I have been able to confidently sleep right up to the bed's edge on the Copperflex ProBut the real test of the edge support is when I lean over to my bedside table to retrieve a piping hot mug from my bedside table (a herbal tea is part of my nighttime routine.) Unlike with my old spring mattress which would often dip beneath me if I got too close to the edge, there have been no spillages on the CopperFlex (though the GlacioTex cover would handily protect the mattress against spills and stains.) Score: 4 out of 5 At just six months old, the CopperFlex Pro Hybrid mattress has 532 reviews with an average rating of 4.5 out of 5. Reviews praise its firmer support and cooling prowess, but some negative reviews note that it's heavy to handle. Elsewhere, the CopperFlex Pro Hybrid is Rolling Stone recommended, has been nominated for the 2025 Oprah Daily Sleep O-wards and is CNN underscored. CNET describe the mattress as "comfortable, versatile and supportive" at "a very budget-friendly price". Meanwhile video reviewers at Brooklyn Bedding say the CopperFlex mattresses offer brilliant quality and are easy to install in your home. Hot sleepers looking for a bed with reliable cooling relief, ample comfort and sturdy support without breaking the bank are in safe hands with this Brooklyn Bedding mattress. While I best recommend this mattress to side sleepers who like a cushioned sleep surface, it is versatile. The medium-firm feel supports all the positions of an average weight combination sleeper, while its zoned lumbar support helps keep the spine in healthy alignment. Without too much sinkage, myself and the rest of our testing were comfortable switching between positions on the CopperFlex Pro Hybrid. While our stomach-sleeping tester approved of the CopperFlex, if they had to pick a favorite, the Plank Firm mattress by Brooklyn Bedding, with a firmer, more responsive sleep surface, takes their vote. In short, this is a comfortable-for-most mattress with specialist cooling technology at a very reasonable price. Its build quality and luxury materials punch way above its mid-range price point. It regulates temperature exceptionally and performed well across the board in our mattress tests. Also from Brooklyn Bedding, the Aurora Luxe Hybrid mattress is a top cooling mattress and one of our best mattresses for back pain that can help you combat an unfortunate concoction of sleep issues — hot flushes and back pain. It comes in three firmness levels and 10 sizes including an RV King. With a queen size now $1,398.75 (was $1,865), it is more expensive than the CopperFlex, suitable for those looking for even more luxury. Learn more in our Brooklyn Bedding Aurora Luxe mattress review. The Cocoon by Sealy Chill is an all-foam, competitively priced mattress complete with a breathable knit cover made with phase change materials. This means it's cool to touch and helps wick away sweat. During testing for our Cocoon by Sealy Chill Mattress review, our reviewers slept comfortably cool, which is surprising on a memory foam bed. It is even cheaper than the CopperFlex at $699 for a queen after an evergreen 35% Cocoon by Sealy mattress deal. Plus you get a sleep bundle included. We recommend the Purple Mattress to couples looking for strong motion isolation and temperature regulation. Its open-cell GelFlex grid is breathable as well as pressure relieving. Price-wise, it falls in the upper-mid bracket with a queen at $1,499 MSRP. But Purple mattress sales and deals occasionally knock $200 or more off. Act fast and you can grab this discount now. Read more in our Purple Original Mattress review
Yahoo
21-02-2025
- Health
- Yahoo
3Z Pharmaceuticals Unveils Landmark Study Supporting Calcium Channel Blocker as a Groundbreaking ADHD Therapy
REYKJAVIK, Iceland, Feb. 17, 2025 /PRNewswire/ -- 3Z Pharmaceuticals today announced the publication of a transformative study in Neuropsychopharmacology, highlighting compelling scientific evidence that positions the mechanisms engaged by amlodipine, an L-type calcium channel blocker (LTCC), as a foundation for a novel therapy for ADHD. The findings provide robust validation of 3Z's cutting-edge high-throughput drug discovery platform and introduce new avenues for non-stimulant-based ADHD treatment. ADHD is a prevalent neurodevelopmental disorder with limited treatment options. Current stimulant medications, such as methylphenidate, offer benefits to some but are often associated with side effects, abuse potential, and a high non-response rate. 3Z Pharmaceuticals is committed to addressing these gaps by pioneering alternative, non-stimulant therapeutics. In this newly published study, researchers at 3Z, integrated cross-species behavioral assays, Mendelian Randomization analysis, and human genetic data to demonstrate amlodipine's therapeutic potential. Key findings include: Behavioral Rescue in ADHD Models: Amlodipine significantly reduced hyperactivity in Spontaneously Hypertensive Rats and improved impulsivity in the adgrl3.1-/- zebrafish model of ADHD, providing cross-species validation of its efficacy. Blood-Brain Barrier Penetration & Neural Impact: Surprisingly traditional penetration studies confirmed that amlodipine crosses the blood-brain barrier, where it modulates neuronal activation, countering the assumption of poor brain penetration. Genetic Evidence via Mendelian Randomization: Human genetic analysis linked ADHD risk to variations in LTCC genes (CACNA1C, CACNB1, CACNA2D3), which are direct targets of amlodipine, reinforcing its mechanistic potential in ADHD therapy. Clinical Relevance in Human Populations: Polygenic risk score analysis using the UK Biobank demonstrated that individuals with a high ADHD genetic burden who were prescribed amlodipine exhibited reduced ADHD-related symptoms, independent of its antihypertensive effects. Dr. Karl Karlsson a neuroscientist, CEO of 3Z Pharmaceuticals and Professor of Biomedical Engineering at Reykjavik University, commented on the study's impact: "This research represents a paradigm shift in ADHD therapeutics. Our findings not only validate the mechanism impacted by amlodipine as a promising candidate for non-stimulant ADHD treatment but also underscore the power of our high-throughput screening and genetic modeling approaches, performed in close alliance with This is an exciting step forward in our mission to deliver more effective and well-tolerated treatments for ADHD." Building on these findings, 3Z Pharmaceuticals is advancing a variant of the therapeutic towards clinical development, leveraging its established safety profile and precise mechanism of action to introduce transformative ADHD therapy. Media Contact:Name: Karl Ægir KarlsonTitle: CEO3Z PharmaceuticalsEmail: Karlsson@ +354-8256467 Link to paper: This information was brought to you by Cision View original content: SOURCE 3Z ehf Sign in to access your portfolio
