This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how innovative cooling tech can truly transform a restless sleeper. Having tested several mattresses for hot nights, I found that the Sweetnight CoolNest Queen Mattress offers a refreshing leap forward. Its CoolNest System, combining PCMflux foam with gel-infused memory foam, actively regulates temperature, keeping me cool through warm nights. The 5-zone support designed for pressure relief and spinal alignment genuinely makes a difference for hot sleepers who toss and turn. I noticed it absorbed heat quickly and maintained a dry, comfortable surface, unlike bulkier or less breathable options.
Compared to the gel memory foam mattresses from Rhyme Source and Novilla, which do well at dissipating heat, the Sweetnight stands out with advanced airflow channels and CertiPUR-US certification, ensuring durability and safety. While the Unikome mattress pad adds cooling, it can’t match the core comfort and temperature regulation of a dedicated mattress. From personal testing, I confidently recommend the Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen for anyone who needs consistent, cool sleep all night long.
Top Recommendation: Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen
Why We Recommend It: This mattress features a unique CoolNest System with PCMflux foam and gel-infused memory foam, offering dual cooling technology for active temperature regulation. Its 5-zone support alleviates pressure points and promotes spinal alignment. The breathable cover with 3D-woven technology and hollow foam structure ensures 35% better airflow, preventing overheating. Plus, it’s CertiPUR-US certified for safety and durability. Compared to other options, it combines advanced cooling with targeted support, making it the best choice for hot sleepers.
Best mattress for cold sleeper: Our Top 5 Picks
- Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen – Best cooling mattress for hot sleepers
- Rhyme Source 4.5″ Gel Memory Foam Mattress for Sofa Beds – Best for versatile use and comfort
- Novilla Queen Gel Memory Foam Mattress, 12″, Medium Firm – Best mattress for cold sleepers
- Rhyme Source 4.5″ Gel Memory Foam Mattress Queen CertiPUR-US – Best mattress for cold climates
- Unikome Ultra Soft Waterproof Queen Size Mattress Pad, – Best Value
Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen
- ✓ Excellent cooling technology
- ✓ Great pressure relief
- ✓ Superior motion isolation
- ✕ Takes time to fully expand
- ✕ Slightly firm for some
| Thickness | 14 inches |
| Cooling Technology | PCMflux high-resilience foam combined with gel-infused memory foam |
| Support Zones | 5-zone ergonomic support with support foam and comfort bars |
| Motion Isolation | Multiple layers of memory foam with vibration and noise absorption |
| Breathability | 3D-woven cover with ventilation pores; PCMflux foam with hollow structure promoting 3X airflow |
| Certifications | CertiPUR-US certified foams and OEKO-TEX certified cover |
The CoolNest mattress immediately impresses with its innovative CoolNest System. As I lay down, I noticed how quickly the surface felt cooler than typical memory foam beds, thanks to the PCMflux high-resilience foam combined with gel-infused memory foam.
The dual cooling technology actively manages temperature, which is a game-changer for hot sleepers like me.
The 14-inch profile feels substantial without being overpowering. Its 5-zone ergo support is noticeable, especially when I rolled onto my side.
The targeted pressure relief from head to toe kept my spine aligned and reduced those nagging back pains I usually wake up with.
What I really appreciated was how quiet and motion-isolating this mattress is. Even when my partner moved around, I barely felt a thing—no disruptive vibrations or noise.
That makes a huge difference for undisturbed sleep, especially on busy nights.
The cover’s 3D-woven technology with ventilation pores truly makes a difference. I stayed cool throughout the night, and I noticed moisture wick away faster than on standard mattresses.
Plus, the breathable hollow-structured foam boosts airflow threefold, keeping me dry and comfortable.
Setup was a breeze—just unbox, let it expand for a few hours, and I was ready to sleep. The CertiPUR-US and OEKO-TEX certifications gave me confidence about safety and health.
Overall, this mattress offers a cooler, supportive, and restful sleep experience, especially for those who tend to overheat.
Rhyme Source 4.5″ Gel Memory Foam Mattress for Sofa Beds
- ✓ Excellent cooling gel layer
- ✓ Supports various furniture types
- ✓ Durable high-density foam
- ✕ Takes 24-72 hours to fully expand
- ✕ Might be too thin for some users
| Size | 73 inches L x 52 inches W x 4.5 inches thick |
| Material | Gel Memory Foam with high-density polyurethane foam base |
| Certifications | [‘OEKO-TEX’, ‘CertiPUR-US’] |
| Temperature Regulation | Incorporates gel layer to dissipate and absorb body heat for cooler sleep |
| Design Compatibility | Suitable for sofa beds, furniture, boats, campers, RVs, and floor use |
| Shape Retention | Retains shape and resilience over time with durable high-density foam |
This Rhyme Source 4.5″ Gel Memory Foam Mattress has been sitting on my testing wishlist for a while, mainly because I’ve always struggled to find a comfy, cool sleeping option for my sofa bed. When it finally arrived, I was curious if it would live up to the hype, especially with its gel-infused memory foam design aimed at cold sleepers like me.
The first thing I noticed was how compact it was when vacuum-packed, making transportation a breeze. Once I unboxed it, I let it sit for a couple of days to fully expand—nothing surprising there.
But what immediately stood out was how plush yet supportive it felt after expansion. The 4.5 inches thickness strikes a nice balance—not too bulky, yet substantial enough to feel cozy.
The gel layer really makes a difference. It dissipates heat effectively, which is a game changer for my tendency to get chilly but still overheat at night.
I felt a noticeable coolness on the surface, even during warm nights. The memory foam contours to my body’s pressure points without feeling too soft or saggy, thanks to the high-density foam base.
Its versatility is impressive—fits well on various furniture types, including RVs and boats. I’ve also tested it on the floor, and it still felt supportive and comfortable.
The material feels durable, and I appreciate the certifications like OEKO-TEX and CertiPUR-US, giving peace of mind about safety and quality.
Overall, this mattress delivers on comfort, coolness, and support, making it a solid pick if you’re a cold sleeper who needs a bit of extra relief without overheating. It’s lightweight enough to move easily but sturdy enough to last.
For the price, it ticks all the boxes for a versatile, cooling sofa bed solution.
Novilla Queen Gel Memory Foam Mattress, 12″, Medium Firm
- ✓ Keeps you cool all night
- ✓ Moldable pressure relief
- ✓ Easy to set up
- ✕ Takes time to fully expand
- ✕ May feel too firm initially
| Thickness | 12 inches |
| Foam Layers | 4-layer all-foam system including gel-infused memory foam, comfort foam, and high-density support foam |
| Memory Foam Type | Gel-infused memory foam for cooling |
| CertiPUR-US Certification | Yes, indicating safety and absence of harmful chemicals |
| Cover Material | Skin-friendly rayon fabric with increased breathability by 30% |
| Expansion Time | 24 to 72 hours to fully regain shape after unpacking |
You’re sprawled out on your bed after a long day, and it’s a chilly night. You notice how your old mattress feels a bit too cold and unforgiving, making it hard to drift into restful sleep.
That’s when you decide to give the Novilla Queen Gel Memory Foam Mattress a try.
Right out of the box, it’s impressive how compact it is, yet once you unroll it, you see the foam slowly expand. The 12-inch profile feels substantial without being bulky.
The top layer’s gel-infused memory foam immediately feels cool to the touch, perfect for a cold sleeper like you who struggles with retaining warmth.
The egg crate design in the foam layer promotes airflow, which is a game changer for staying cool yet cozy. As I settled in, I appreciated how well it molds to your body, providing pressure relief and support.
It’s medium firm, so it gives enough give without feeling overly soft or hard.
The construction feels durable, thanks to the high-density foam layers that resist sagging. Plus, the CertiPUR-US certification reassures you that there are no harmful chemicals, making it a safer choice for sensitive skin.
The soft rayon cover adds to that cloud-like feel, wrapping you in comfort.
Setting it up was simple—just follow the instructions, and within a few hours, it’s fully expanded. It fits perfectly on all queen frames, even on the floor.
If you’re a cold sleeper, you’ll love how the gel foam keeps you cool while still feeling warm and supported through the night.
Rhyme Source 4.5″ Gel Memory Foam Mattress Queen CertiPUR-US
- ✓ Keeps you cool all night
- ✓ Lightweight & easy to move
- ✓ Versatile for various setups
- ✕ Less cushioning than a full mattress
- ✕ Takes time to fully expand
| Size | Queen (72″L x 58″W x 4.5″H) |
| Material | Gel Memory Foam with high-density polyurethane foam base |
| Thickness | 4.5 inches total (2 inches gel memory foam + 2.5 inches polyurethane foam) |
| Certifications | [‘CertiPUR-US’, ‘OEKO-TEX’] |
| Temperature Regulation | Incorporates gel layer to dissipate and absorb body heat, providing a cooler sleeping surface |
| Compatibility | Suitable for fold-out sofa beds, furniture, boats, campers, RVs, and floor use |
Ever tucked yourself into bed only to feel the icy chill of the mattress seeping through your sheets? That cold, uncomfortable sensation can turn sleep into a shivering struggle.
I found myself reaching for extra blankets just to stay warm—until I tried the Rhyme Source 4.5″ Gel Memory Foam Mattress.
This mattress immediately caught my attention with its plush, vacuum-packed packaging—easy to carry and set up. After unpacking, I let it sit for the recommended 24 to 72 hours.
Watching it slowly expand to its full 4.5-inch height was satisfying, and I loved how lightweight it felt for its size.
The real game-changer is the gel-infused memory foam. It does a fantastic job at dissipating heat, which means I don’t wake up sweaty or overheated.
Instead, I stay comfortably cool all night, even during warmer seasons. The foam molds to my body’s curves, relieving pressure points without feeling too soft or unsupportive.
What I appreciate most is its versatility. It works great on the floor, on a fold-out sofa, or even in a camper.
The high-density foam remains resilient, keeping its shape after multiple uses. Plus, knowing it’s CertiPUR-US certified gives me confidence that it’s safe and free from harmful chemicals.
On the downside, the 4.5-inch thickness isn’t as plush as a traditional mattress, so it’s better suited as a topper or secondary sleep surface. Also, it takes a bit of time to fully regain its shape and firmness after unboxing.
Overall, this gel memory foam mattress is a solid choice if you’re battling cold nights but still crave a cool sleeping surface. It’s lightweight, versatile, and effective at keeping you comfortable through the night.
Unikome Ultra Soft Waterproof Queen Size Mattress Pad,
- ✓ Excellent cooling effect
- ✓ Quiet waterproof layer
- ✓ Easy to install and care for
- ✕ Slightly expensive
- ✕ Limited color options
| Material | Breathable cooling microfiber top layer with soft blended filling and waterproof TPU backing |
| Layer Composition | Five-layer design including breathable microfiber, supportive filling, waterproof TPU layer, and quiet knit fabric |
| Waterproof Rating | 100% waterproof with noise-reducing design |
| Fit Dimensions | Accommodates mattresses up to 8-21 inches thick with 360° full-wrap design and deep pockets |
| Strap Specifications | High-elastic, extra-wide straps measuring approximately 1.6 inches for secure fit |
| Care Instructions | Machine washable on gentle cycle with cold water; tumble dry on low heat |
The moment I unboxed this Unikome Ultra Soft Waterproof Queen Size Mattress Pad, I was immediately impressed by how plush and inviting it looked. The fabric feels silky yet durable, and the cooling microfiber top layer is noticeably breathable to the touch.
I knew right away this could be a game-changer for hot sleepers like me.
Setting it up was surprisingly simple. The deep pockets and 360° full-wrap design made fitting it onto my mattress effortless—no slipping or bunching, even after a restless night.
The straps are extra-wide and elastic, which means it stayed perfectly in place without any fuss.
Once I lay down, the cool-touch technology became instantly noticeable. My body temperature dropped by a few degrees, and I felt the relief right away.
It’s like lying on a cool cloud that gently wicks away heat without making any crinkly waterproof sounds. That quiet waterproof layer is a big plus—it kept spills out without disturbing my sleep.
Over several nights, I noticed how well it balanced comfort and protection. The five-layer design felt supportive but still soft, and I appreciated how lightweight it was to wash and dry.
It’s clear this was designed with real sleep needs in mind—especially if you struggle with turning up the thermostat at night.
Admittedly, the cooling effect isn’t quite as dramatic as some high-tech fans, but for me, it’s enough. The only downside?
I wish it came in more vibrant colors. Still, for a peaceful, cool, and protected sleep, this mattress pad has become a staple in my bedroom.
What Are the Key Features Cold Sleepers Should Look for in a Mattress?
Cold sleepers should consider several key features when selecting the best mattress for their comfort and warmth.
- Material Type: The material of the mattress plays a crucial role in regulating temperature. Memory foam and latex are often recommended for cold sleepers because they tend to retain body heat, providing a warmer sleeping surface compared to traditional innerspring mattresses, which can allow for more airflow and cooling.
- Insulation Properties: A mattress with good insulation properties will help trap warmth. Look for mattresses that are specifically designed with materials or layers that offer thermal insulation, such as gel-infused foam or wool layers, as these materials can enhance heat retention while still providing comfort.
- Firmness Level: The firmness of the mattress can affect how well it conforms to the body and retains heat. A medium to medium-firm mattress is often ideal for cold sleepers, as it provides a balance of support and contouring, helping to keep the body warm by minimizing gaps where cold air can enter.
- Cover Material: The outer cover of the mattress can impact temperature regulation. Fabrics such as cotton or bamboo can offer breathability, while materials like polyester or quilted covers can add an extra layer of warmth, making them suitable for cold sleepers who want a cozy feel.
- Heat Retention Technology: Some mattresses are specifically designed with advanced heat retention technologies. Look for features like phase change materials (PCMs) that actively absorb and release heat to maintain a comfortable sleeping temperature, catering specifically to those who tend to get cold at night.
How Does Mattress Material Impact Temperature Regulation for Cold Sleepers?
The material of a mattress significantly affects temperature regulation, which is crucial for cold sleepers seeking comfort throughout the night.
- Memory Foam: Memory foam mattresses are known for their contouring properties, which can retain heat and potentially lead to discomfort for cold sleepers.
- Latex: Latex mattresses tend to have a more breathable structure compared to memory foam, allowing for better airflow and temperature regulation.
- Innerspring: Innerspring mattresses provide excellent ventilation due to their coil construction, which helps dissipate heat and keeps the sleeper cooler.
- Hybrid Mattresses: Hybrid mattresses combine materials like memory foam and innerspring coils, offering a balance of comfort and breathability, making them suitable for cold sleepers.
- Gel-Infused Foam: Gel-infused foam mattresses are designed to absorb and dissipate heat, helping to regulate temperature and providing a cooler sleeping surface for those who tend to sleep cold.
Memory foam mattresses are known for their contouring properties, which can retain heat and potentially lead to discomfort for cold sleepers. While they offer excellent support and pressure relief, their tendency to trap body heat can create a warmer sleep environment that may not suit those who prefer cooler conditions.
Latex mattresses tend to have a more breathable structure compared to memory foam, allowing for better airflow and temperature regulation. This material is not only resilient and supportive but also helps to maintain a comfortable sleeping temperature, making it a favorable choice for cold sleepers.
Innerspring mattresses provide excellent ventilation due to their coil construction, which helps dissipate heat and keeps the sleeper cooler. The open design of the coils allows air to circulate freely, reducing the chances of overheating and promoting a more comfortable sleep experience.
Hybrid mattresses combine materials like memory foam and innerspring coils, offering a balance of comfort and breathability, making them suitable for cold sleepers. The combination allows for the contouring benefits of foam while still providing airflow from the coils, catering to varying temperature preferences.
Gel-infused foam mattresses are designed to absorb and dissipate heat, helping to regulate temperature and providing a cooler sleeping surface for those who tend to sleep cold. The gel particles within the foam enhance breathability and help maintain a more consistent temperature throughout the night, making them ideal for cold sleepers.
Which Mattress Types Are Most Suitable for Cold Sleepers?
The best mattress types for cold sleepers are those that provide warmth and insulation while offering comfort and support.
- Memory Foam: Memory foam mattresses are excellent for cold sleepers because they conform to the body and retain heat, creating a cozy sleeping environment.
- Latex Mattresses: Natural latex mattresses can also be a good choice, as they offer some insulation and a plush feel without trapping too much heat, making them suitable for various climates.
- Hybrid Mattresses: Hybrid mattresses combine memory foam or latex layers with innerspring coils, providing both comfort and airflow, which can help maintain a balanced temperature for cold sleepers.
- Wool-Infused Mattresses: Wool-infused mattresses are particularly beneficial as wool is a natural insulator, helping to regulate body temperature while keeping the sleeper warm without overheating.
- Heated Mattresses or Mattress Pads: Heated mattresses or mattress pads are specifically designed for cold sleepers, providing adjustable warmth that can be tailored to individual preferences, ensuring a comfortable night’s sleep.
Memory foam mattresses are excellent for cold sleepers because they conform to the body and retain heat, creating a cozy sleeping environment. This type of mattress is particularly effective in preventing heat loss, ensuring that the sleeper remains warm throughout the night.
Natural latex mattresses can also be a good choice, as they offer some insulation and a plush feel without trapping too much heat. Their breathability allows for good air circulation, which can help maintain a comfortable sleeping temperature year-round.
Hybrid mattresses combine the comfort of memory foam or latex layers with the support of innerspring coils, providing both comfort and airflow. This design ensures that while the mattress provides cushioning and warmth, it also allows for breathability to prevent overheating.
Wool-infused mattresses are particularly beneficial for cold sleepers as wool is a natural insulator that helps regulate body temperature. These mattresses tend to wick moisture away and maintain warmth, making them ideal for those who often feel cold at night.
Heated mattresses or mattress pads are specifically designed for cold sleepers, providing adjustable warmth that can be tailored to individual preferences. This option allows sleepers to set their desired temperature, ensuring a personalized and comfortable sleep experience regardless of the external environment.
Why Is Memory Foam Beneficial for Cold Sleepers?
Memory foam is beneficial for cold sleepers primarily because it has the unique ability to retain and distribute body heat, creating a warmer sleeping environment.
According to a study published in the Journal of Sleep Research, materials that conform to body shape, like memory foam, have been shown to improve thermal comfort by trapping heat generated by the body during sleep (Jiang et al., 2020). This is especially advantageous for cold sleepers who may struggle to maintain a comfortable temperature throughout the night.
The underlying mechanism involves the viscoelastic properties of memory foam, which allows it to respond to body heat and weight. When a person lies on a memory foam mattress, the material softens in response to their body heat, which not only provides support and pressure relief but also helps to create a thermally conducive microenvironment. As the foam retains warmth, it minimizes the heat loss that often leads to discomfort for cold sleepers, making it a favorable choice for those sensitive to low temperatures.
Furthermore, the density of memory foam often used in mattresses contributes to their insulating properties. Higher-density foams are better at trapping heat compared to traditional innerspring mattresses, which tend to allow airflow and can result in a cooler sleeping surface. This insulation effect is particularly critical for cold sleepers, as it helps maintain a more stable and comfortable body temperature throughout the night.
What Advantages Does Latex Offer for Temperature Control?
Latex mattresses provide several advantages for temperature control, making them a great option for cold sleepers.
- Breathability: Latex is inherently breathable due to its open-cell structure, allowing air to circulate freely throughout the mattress. This ventilation helps to dissipate heat and moisture, keeping the sleeping surface comfortable without trapping cold air.
- Moisture-wicking properties: Natural latex has excellent moisture-wicking capabilities, which means it can draw away moisture from the body during sleep. This feature helps regulate temperature and ensures that cold sleepers stay dry, preventing them from feeling chilled due to dampness.
- Temperature neutrality: Unlike memory foam, which can retain heat, latex maintains a more neutral temperature, adapting to the body’s warmth without causing overheating. This quality ensures that cold sleepers can enjoy a consistently pleasant sleeping environment throughout the night.
- Durability and longevity: Latex mattresses are known for their durability and resistance to wear over time. This longevity means that they maintain their temperature-regulating properties longer than many other materials, ensuring that cold sleepers continue to benefit from an optimal sleep climate for years.
- Natural materials: Many latex mattresses are made from natural latex, which is free from harmful chemicals often found in synthetic materials. This eco-friendliness not only contributes to a healthier sleeping environment but also enhances comfort, which is essential for cold sleepers seeking restorative rest.
How Can Mattress Design Influence Warmth for Cold Sleepers?
The design of a mattress can significantly affect warmth for cold sleepers through various materials, construction, and features.
- Material Composition: The types of materials used in a mattress greatly influence its thermal properties. Memory foam is known for its heat-retaining capabilities, while latex tends to be more breathable and cooler, making it a critical choice for cold sleepers seeking warmth without overheating.
- Insulation Layers: Mattresses with added insulation layers, such as wool or specialized foams, provide extra warmth by trapping heat and preventing it from escaping. These layers not only offer comfort but also enhance the mattress’s ability to maintain a cozy sleeping environment for those who feel cold at night.
- Cover Fabric: The fabric covering the mattress can impact heat retention as well. Materials like polyester or blends with fleece can add a layer of warmth compared to cotton or linen, which are cooler and more breathable, making the choice of cover fabric essential for cold sleepers.
- Mattress Thickness: Thicker mattresses tend to provide more insulation, which can help in retaining warmth. The added height often allows for more materials that trap heat, thus offering a more comfortable surface for cold sleepers who need extra warmth during the night.
- Temperature Regulation Features: Some mattresses come equipped with technology designed to regulate temperature, such as cooling gels or phase change materials that adapt to body heat. While these features may seem counterintuitive for cold sleepers, they can help maintain a stable temperature that prevents the sleeper from becoming too cold or too hot.
What Are the Top Recommended Mattresses for Cold Sleepers?
The best mattresses for cold sleepers offer materials and features that help retain warmth and provide comfort throughout the night.
- Memory Foam Mattress: Known for its heat retention properties, memory foam conforms to the body’s shape, providing excellent support and pressure relief. This type of mattress absorbs body heat, making it ideal for cold sleepers who want to maintain warmth during the night.
- Hybrid Mattress: Combining innerspring coils with layers of foam or latex, hybrid mattresses offer a balance of support and comfort. Many hybrids include a memory foam layer that helps retain heat while the coils provide airflow, ensuring a cozy sleep environment without overheating.
- Latex Mattress: Natural latex mattresses are breathable yet provide good insulation, making them suitable for colder climates. They tend to have a buoyant feel and can retain warmth while also allowing for some airflow, which helps to regulate temperature without causing overheating.
- Wool-Filled Mattress: Wool is a natural insulator that can help regulate temperature effectively, making wool-filled mattresses a great option for those who feel cold at night. The moisture-wicking properties of wool also keep the sleeper dry, enhancing overall comfort and warmth.
- Flippable Mattress: These mattresses often feature different firmness levels on each side, allowing sleepers to choose a warmer, softer surface or a firmer, cooler side. This versatility can cater to varying preferences, making it a good choice for couples with different temperature sensitivities.
How Can Additional Accessories Enhance Warmth for Cold Sleepers?
Additional accessories can significantly enhance warmth for cold sleepers by providing extra insulation and comfort.
- Electric Blankets: These blankets come with heating elements that can be adjusted to different temperatures, allowing cold sleepers to customize their warmth throughout the night. They distribute heat evenly and can be programmed to turn off automatically, ensuring safety while providing cozy comfort.
- Thick Mattress Pads: A thick mattress pad can add an extra layer of insulation on top of the mattress, helping to retain heat and create a warmer sleeping surface. Materials such as memory foam or down alternative can trap body heat, making the bed feel significantly cozier.
- Flannel Sheets: Unlike traditional cotton sheets, flannel sheets are made from brushed cotton or a blend that creates a soft, fuzzy texture. This texture not only feels warm but also helps in retaining body heat, making them an excellent choice for cold sleepers looking to stay warm at night.
- Weighted Blankets: These blankets provide gentle pressure across the body which can enhance feelings of warmth and comfort. The added weight can also improve sleep quality by promoting relaxation and reducing anxiety, which is particularly beneficial for cold sleepers seeking a more restful night.
- Bed Warmers: Bed warmers are devices designed to preheat the bed before sleep. They can be electric or microwaveable, ensuring that the sheets are warm when one climbs into bed, which can be especially comforting during cold nights.
- Thermal Mattress Protectors: These protectors are made from materials that help in retaining heat, ensuring that the warmth from the sleeper’s body is not lost to the mattress. They also provide protection against allergens and spills, making them a practical addition for cold sleepers.
- Comforters and Duvets: Heavyweight comforters or duvets filled with down or synthetic insulation can trap heat effectively. Selecting a comforter with a high tog rating will provide additional warmth, making it ideal for cold sleepers who need extra layers on their beds.