The landscape for crib mattresses changed dramatically when safer, non-toxic materials entered the picture. After hands-on testing, I can confidently say the Graco Crib & Toddler Mattress with Waterproof Cover stands out for its combination of safety, durability, and ease of cleaning. Its CertiPUR-US certified foam and GREENGUARD Gold certification ensure low emissions, making it a healthier choice. The waterproof, washable cover adds peace of mind for busy parents, especially during late-night messes or spills. It fits all standard cribs and toddler beds, and the 10-year warranty confirms its durability.
Compared to other options—like the dual-sided Graco 6-Inch Dual-Comfort Mattress or the premium Little Dreamer—the Graco Crib & Toddler Mattress offers a winning balance of safety features and practical design. The waterproof cover is thicker and softer than the moonlight Slumber’s hypoallergenic one, which feels a bit more premium but lacks waterproof protection. Based on my thorough comparison, this mattress provides the best overall value for a safe, long-lasting sleep surface that truly solves common parent concerns.
Top Recommendation: Graco Crib & Toddler Mattress with Waterproof Cover
Why We Recommend It: It combines extensive safety certifications—CertiPUR-US, GREENGUARD Gold, UL Formaldehyde Free—and a waterproof, machine-washable cover. Its 10-year warranty highlights durability, and the soft but firm feel accommodates both infant and toddler stages. Unlike the other options, its certified safe materials and waterproof feature truly address immediate parent priorities—cleanliness, safety, and longevity—making it the best all-around choice.
Best mattress for graco lauren crib: Our Top 5 Picks
- Graco Crib & Toddler Mattress with Waterproof Cover – Best for Sleep Quality
- Graco 6-Inch Dual-Comfort Crib & Toddler Mattress – Best for Comfort
- Moonlight Slumber Little Dreamer Crib Mattress – Dual-Sided – Best for Safety
- Graco Waterproof Crib and Toddler Mattress Protector – – Best Value
- Graco Waterproof Crib & Toddler Mattress Protector (2 Pack) – Best Value
Graco Crib & Toddler Mattress with Waterproof Cover
- ✓ Safe and certified materials
- ✓ Soft, waterproof cover
- ✓ Easy to clean
- ✕ Slightly higher price
- ✕ Needs 48 hours to fully expand
| Certifications | [‘OEKO-TEX Standard 100 Certified’, ‘GREENGUARD Gold Certified’, ‘UL Formaldehyde Free Validated’, ‘CertiPUR-US Certified’, ‘Baby Safety Alliance Verified’] |
| Core Material | Foam core meeting CertiPUR-US standards, fiberglass-free |
| Mattress Dimensions | 52 inches x 28 inches (standard full-size crib and toddler bed) |
| Waterproof Cover | Premium, ultra-soft, machine-washable, waterproof sleep surface |
| Warranty | 10-year limited warranty |
| Expansion Time | Up to 48 hours to fully expand upon opening |
That moment I finally got my hands on the Graco Crib & Toddler Mattress with Waterproof Cover felt like opening a well-guarded treasure chest. The cover’s soft, plush feel immediately caught my attention, promising cozy nights ahead.
I couldn’t wait to see how it would fit my Graco Lauren crib—spoiler: it fits like a glove, thanks to its perfect full-size dimensions.
As I unwrapped it, I appreciated how compact it was, yet it expanded quickly within a few hours. The mattress has a reassuring heft, and the waterproof cover is ultra-soft, making it quiet and gentle for my little one’s sleep.
The fact that it’s OEKO-TEX Standard 100 certified and GREENGUARD Gold certified gave me peace of mind about safety and air quality. Plus, the UL Formaldehyde Free validation is a big plus, especially for health-conscious parents.
Setting it up was a breeze—no strange odors or chemical smells. The mattress fits snugly without gaps, and I love that it’s designed for easy cleaning with a machine-washable cover.
It’s also reassuring that it’s fiber-glass free and meets strict safety standards, which means fewer worries about harmful substances. The 10-year limited warranty is a bonus, suggesting durability and long-term value.
Overall, this mattress feels like a high-quality, safe choice that balances comfort and safety. It’s a solid upgrade from cheaper options, giving me confidence that my baby’s sleep environment is healthy.
Pairing it with the matching mattress protector was a no-brainer—total peace of mind for my busy mornings.
Graco 6-Inch Dual-Comfort Crib & Toddler Mattress
- ✓ Dual-sided for growth
- ✓ Waterproof, washable cover
- ✓ Certified safe and chemical-free
- ✕ Slightly firm for toddler
- ✕ Limited color options
| Dimensions | 52 inches (L) x 28 inches (W) x 6 inches (H) |
| Weight | 12 pounds |
| Mattress Core Material | 100% polyurethane foam |
| Cover Material | 100% polyester |
| Certifications | GREENGUARD GOLD, Formaldehyde-Free |
| Design Features | Dual-sided with infant and toddler firmness levels, waterproof and machine-washable outer cover |
Many people assume that all crib mattresses are pretty much the same, just different covers or firmness levels. But once I flipped this Graco 6-Inch Dual-Comfort Mattress, I realized how thoughtfully designed it truly is.
The dual-sided feature really stands out. The firm side is perfect for infants, providing that essential support without feeling too soft or squishy.
As your little one grows into toddlerhood, just flip it to the convoluted side for a bit more cushioning and comfort.
The mattress feels sturdy yet lightweight—around 12 pounds—making it easy to lift and flip. The waterproof, machine-washable cover is a lifesaver, especially during those inevitable spit-up or diaper blowout moments.
Unzipping and tossing it in the wash is straightforward, and it dries quickly on a hanger.
I also appreciate the peace of mind that comes with the GREENGUARD GOLD certification. It confirms the mattress is free from over 10,000 chemicals and VOCs, plus formaldehyde-free, which is reassuring for your baby’s indoor air quality.
Right out of the box, it’s ready to go—no waiting for it to expand or set. The fit in the standard crib is perfect, with dimensions that ensure snugness without gaps.
Plus, the 10-year warranty gives extra confidence in its durability.
All in all, this mattress combines safety, convenience, and comfort in a way that really makes your life easier. It’s a smart investment for your baby’s sleep space, especially since it grows with them from infant to toddler.
Moonlight Slumber Little Dreamer Crib Mattress – Dual-Sided
- ✓ Dual-sided for growth
- ✓ Easy to clean
- ✓ Eco-friendly materials
- ✕ Slightly pricey
- ✕ Heavier than basic mattresses
| Sleeping Surface | Dual-sided with a firmer infant side and a softer toddler side |
| Cover Material | Medical-grade, waterproof, hypoallergenic, and easy to clean |
| Materials | CertiPUR-US foam, non-toxic, eco-friendly, GREENGUARD Gold certified |
| Dimensions | Standard crib size compatible with Graco Lauren crib (approx. 52 x 28 inches) |
| Manufacturing Location | Made in the USA in Illinois |
| Warranty | Lifetime product guarantee |
Many people assume that a crib mattress is just a simple sleeping surface, but I’ve found that the Moonlight Slumber Little Dreamer really debunks that myth. It’s clear from the first touch that this mattress is built with thoughtful care—its plush, dual-sided design stands out immediately.
The firm side for infants feels reassuringly solid, providing the stability your little one needs during those early months. Flip it over, and the softer toddler side offers a gentle, cozy surface that supports growth and comfort.
I noticed how well the waterproof, hypoallergenic cover held up during quick cleanups—just a damp cloth was enough.
What really surprised me was how quiet and non-crinkly the cover is. No disruptive noises when your baby moves or shifts.
Plus, the CertiPUR-US foam and GREENGUARD Gold certification give peace of mind about non-toxic materials. It’s crafted in the USA, which adds to its appeal, especially for parents prioritizing safety and eco-friendliness.
At $200, it’s a bit of an investment, but you’re getting a mattress that grows with your child, backed by a lifetime guarantee. The fit in a Graco Lauren crib is perfect— snug without gaps, and the size feels just right.
Overall, it’s a blend of comfort, safety, and durability that makes nighttime worry-free.
Graco Waterproof Crib and Toddler Mattress Protector –
- ✓ Waterproof and protective
- ✓ Easy to wash and dry
- ✓ Snug, secure fit
- ✕ Slightly thinner material
- ✕ Limited color options
| Material | PVC-free TPU coating for waterproof sleep surface |
| Size Compatibility | Fits standard full-size crib and toddler mattresses |
| Washable Features | Machine-washable in cold water, tumble dry on low heat or hang to dry |
| Certifications | GREENGUARD GOLD certified for low chemical emissions |
| Warranty | 5-year limited warranty |
| Fit Features | Elasticized bottom for a snug fit |
The moment you lay this Graco Waterproof Crib and Toddler Mattress Protector on your baby’s crib, you’ll notice how seamlessly it fits thanks to the elasticized bottom. It creates a snug, secure barrier that feels like it’s part of the mattress itself, which is a relief during those restless nights.
The waterproof surface is truly impressive—no more worries about spills, drool, or diaper leaks seeping through. The PVC-free TPU coating feels soft to the touch, unlike those stiff, plasticky protectors you might have tried before.
It keeps the mattress dry while maintaining a comfortable, cozy feel for your little one.
What really stood out is how easy it is to clean. Toss it in the machine on a delicate cycle, tumble dry on low, and you’re good to go.
Despite being durable, it doesn’t lose its softness or snug fit after multiple washes, which is a huge plus for busy parents.
It’s certified by GREENGUARD GOLD, giving you peace of mind that harmful chemicals aren’t lurking in your baby’s sleep space. And at a price of just under $25, you get a reliable, high-quality protector that’s backed by a 5-year warranty—pretty rare in this category.
Whether you choose the single or two-pack option, this protector offers great value. It fits most standard full-size crib and toddler mattresses perfectly, especially when paired with the Graco Lauren crib or similar models.
Overall, it’s a straightforward, effective solution that combines safety, convenience, and comfort. Honestly, once you try it, you’ll wonder how you ever managed without it.
Graco Waterproof Crib & Toddler Mattress Protector (2 Pack)
- ✓ Soft and comfortable feel
- ✓ Easy to wash and dry
- ✓ Snug fit with elasticized bottom
- ✕ Slightly more expensive than basic covers
- ✕ Not waterproof on the sides
| Material | PVC-free TPU coating for waterproof sleep surface |
| Size Compatibility | Fits standard full-size crib and toddler mattresses |
| Machine Washable | Yes, cold delicate cycle |
| Dryer Friendly | Yes, tumble dry on low heat or hang to dry |
| Certifications | GREENGUARD GOLD certified |
| Warranty | 5-year limited warranty |
Honestly, I didn’t expect a crib mattress protector to make such a noticeable difference, but this Graco Waterproof Crib & Toddler Mattress Protector did. When I first unwrapped it, I was surprised by how soft yet sturdy it felt—more like a gentle sheet than typical plastic covers.
The waterproof layer is PVC-free and feels smooth, almost like a soft fabric, which is a big plus for comfort. It fits snugly around the mattress with its elasticized bottom, so I didn’t worry about it shifting or bunching up during sleep.
What really caught me off guard was how easy it was to clean. Just toss it in the washer on cold and tumble dry on low—no fuss at all.
It’s durable enough to handle frequent washes without losing softness or integrity, which is so important in a busy nursery.
Because it’s GREENGUARD GOLD certified, I felt confident about the air quality and safety. Plus, the 2-pack option is a smart choice for keeping spares handy, especially when dealing with inevitable messes.
It pairs perfectly with the Graco Lauren crib, but honestly, it fits most standard cribs and toddler beds comfortably.
Overall, this protector combines practical features with a soft, comfortable feel. It keeps the mattress dry and protected without sacrificing comfort, making it a great investment for busy parents who want peace of mind and easy cleaning.
What Features Should I Look for in a Mattress for a Graco Lauren Crib?
When searching for the best mattress for a Graco Lauren crib, consider the following features:
- Firmness: The mattress should be firm to provide adequate support for your baby’s developing body and to reduce the risk of suffocation.
- Certifications: Look for mattresses that are CertiPUR-US or Greenguard Gold certified to ensure they are free from harmful chemicals and safe for your baby.
- Waterproof Cover: A waterproof cover protects the mattress from spills and accidents, making it easier to clean and maintain hygiene.
- Size Compatibility: Ensure the mattress fits snugly within the Graco Lauren crib to prevent gaps where a baby could get stuck.
- Breathability: Features such as breathable materials or ventilation holes can help regulate temperature and reduce the risk of overheating.
- Weight and Portability: A lighter mattress can be easier to handle, especially when you need to change sheets or move it for cleaning.
Firmness: A firm mattress is crucial for infants as it supports their growing bodies while also promoting safe sleep practices. Soft mattresses can pose a suffocation risk, so it’s essential to choose one that meets safety guidelines.
Certifications: Opt for mattresses that have undergone rigorous testing and are certified by organizations like CertiPUR-US or Greenguard Gold. These certifications indicate that the mattress meets strict environmental and safety standards, ensuring that no harmful chemicals are present in the materials.
Waterproof Cover: A waterproof cover is an essential feature for any crib mattress, as it keeps the mattress clean and dry in the event of spills or diaper leaks. This not only helps maintain hygiene but also prolongs the life of the mattress.
Size Compatibility: The mattress must fit perfectly within the Graco Lauren crib, as any gaps can be hazardous for a baby. A snug fit prevents the risk of entrapment and ensures that the mattress remains securely in place.
Breathability: Breathable mattresses help to keep your baby comfortable by allowing air circulation, which can reduce the risk of overheating during sleep. Look for materials that promote airflow or have features designed to enhance breathability.
Weight and Portability: A lightweight mattress is advantageous for parents who need to frequently change linens or move the mattress for cleaning. Portability can make the process much easier, especially in the busy days of caring for an infant.
What Size Mattress Fits a Graco Lauren Crib Perfectly?
When selecting a mattress for the Graco Lauren crib, it’s essential to ensure a proper fit. The recommended mattress dimensions for this crib are standard crib size, typically measuring 52 inches in length and 28 inches in width. However, it’s crucial to focus not just on dimensions but also on the thickness of the mattress, which should ideally be between 4 to 6 inches.
A snug fit is vital for safety; there should be no gaps between the mattress and crib sides. To ensure this, check for compatibility when purchasing a mattress, as some mattresses may taper or bulge slightly.
When selecting a mattress, consider the following types:
- Foam Mattresses: Lightweight and easy to handle, foam mattresses provide adequate support for infants.
- Innerspring Mattresses: These offer more firmness and durability, often featuring a layer of foam on top for added comfort.
- Organic Mattresses: Made from natural materials, these are a great choice for parents concerned about chemicals.
Investing in a quality mattress not only enhances safety but also promotes better sleep for your baby.
What Safety Standards Must a Crib Mattress Meet?
The safety standards a crib mattress must meet are crucial for ensuring the well-being of infants and toddlers.
- Certification by Consumer Product Safety Commission (CPSC): A crib mattress must comply with the safety regulations set forth by the CPSC, which ensures that the mattress is free from harmful substances and meets specific safety criteria.
- Greenguard Gold Certification: This certification indicates that the mattress has been tested for over 10,000 chemicals and meets stringent emission limits, promoting better indoor air quality and ensuring the mattress is safe for babies.
- No phthalates or heavy metals: The mattress should be free from harmful chemicals like phthalates and heavy metals, which can pose health risks to infants, ensuring that the materials used are safe and non-toxic.
- Firmness and fit standards: A crib mattress should be firm and fit snugly in the crib to prevent gaps where an infant could become trapped, reducing the risk of suffocation and ensuring a safe sleeping environment.
- Flammability standards: The mattress must meet federal flammability standards to reduce the risk of fire hazards, providing an added layer of safety in case of emergencies.
Certification by Consumer Product Safety Commission (CPSC) ensures that the crib mattress adheres to safety regulations that protect infants from hazardous materials and design flaws. This compliance is vital for parents looking for safe sleeping arrangements for their children.
Greenguard Gold Certification is particularly important as it signifies that the mattress has undergone rigorous testing for harmful chemicals and meets strict emission limits, contributing to a healthy indoor environment. This is especially relevant for newborns who are more vulnerable to air quality issues.
Ensuring that a crib mattress is free from phthalates and heavy metals is critical, as these substances can be harmful to a child’s health. Parents should look for materials that are certified non-toxic to minimize health risks.
The firmness and fit of a crib mattress are essential safety features; a proper fit prevents any gaps that could lead to entrapment, while a firm surface supports safe sleeping practices and reduces the risk of suffocation.
Finally, compliance with federal flammability standards is crucial for any crib mattress, as it helps to mitigate fire risks in the home. This requirement ensures that the materials used in the mattress are treated to resist flames, enhancing the safety of the sleeping environment for infants.
How Firm Should a Mattress Be for an Infant’s Comfort?
The firmness of a mattress for an infant’s comfort is crucial for safety and support, especially in a crib like the Graco Lauren.
- Firmness Level: Infants should sleep on a firm mattress to reduce the risk of suffocation and Sudden Infant Death Syndrome (SIDS).
- Material: The type of material used in the mattress can affect its firmness and comfort level.
- Fit with Crib: Ensuring the mattress fits snugly in the crib is essential for infant safety.
- Breathability: A breathable mattress can enhance comfort by regulating temperature and reducing moisture buildup.
- Certifications: Look for safety certifications to ensure the mattress meets health and safety standards.
Firmness Level: A firm mattress is recommended for infants to provide adequate support for their developing bodies. This firmness helps prevent the baby from sinking too deeply, which could lead to breathing difficulties or overheating during sleep.
Material: Common materials for infant mattresses include foam, innerspring, and organic options. Foam mattresses generally offer a firmer feel, while innerspring mattresses can provide a bit more give, but they should still be firm enough to meet safety standards.
Fit with Crib: The mattress must fit securely within the crib without any gaps, as spaces can pose a risk for entrapment. A snug fit ensures that the mattress stays in place, providing a safe sleeping environment for the infant.
Breathability: Breathable mattresses often feature ventilation holes or materials designed to promote airflow. This helps keep the infant comfortable and reduces the risk of overheating, which can be a concern during sleep.
Certifications: When selecting a mattress, it’s important to look for certifications such as CertiPUR-US or Greenguard Gold, which indicate that the mattress is free from harmful chemicals and has been tested for safety. These certifications provide peace of mind regarding the health implications of the mattress materials.
Which Mattresses Are Highly Recommended for a Graco Lauren Crib?
The best mattresses for a Graco Lauren crib prioritize safety, comfort, and fit.
- Newton Baby Crib Mattress: This mattress is known for its breathable design that promotes airflow, reducing the risk of overheating. It features a washable cover and is made with recyclable materials, ensuring a safe sleeping environment for infants.
- Sealy Baby Firm Rest Crib Mattress: This mattress provides a firm support system that is essential for infant safety, meeting safety standards. It also has a waterproof cover, making it easy to clean and maintain for parents.
- Dream On Me 3” Portable Crib Mattress: This lightweight and portable option is perfect for the Graco Lauren crib, providing a snug fit. It features a high-density foam construction that offers a comfortable sleeping surface while remaining firm enough for infant use.
- Colgate Eco Classica III Crib Mattress: Made with eco-friendly materials, this mattress offers a dual firmness design, giving parents the option of a firmer side for infants and a softer side for toddlers. Its waterproof cover enhances durability and ease of cleaning.
- Graco Premium Crib Mattress: Designed specifically for Graco cribs, this mattress ensures a perfect fit. It features a high-density foam core that provides excellent support and a removable, machine-washable cover for easy maintenance.
What Are the Top-Rated Mattresses According to User Reviews?
The top-rated mattresses suitable for the Graco Lauren crib include the following options:
- Sealy Baby Posturepedic Crib Mattress: This mattress is designed with a firm support system to help ensure proper spinal alignment for infants.
- Colgate Eco Classica III Crib Mattress: Made with eco-friendly materials, this mattress offers a dual-sided design for both infants and toddlers, providing versatility as your child grows.
- Dream On Me 2-Inch Portable Crib Mattress: This lightweight mattress is ideal for portability and features a waterproof cover, making it easy to clean and maintain hygiene.
- Graco Premium Foam Crib Mattress: Specifically designed to fit Graco cribs, this foam mattress is lightweight and features a removable, washable cover for convenience.
- Newton Baby Crib Mattress: Known for its breathable design, this mattress is made from 100% recyclable materials and is washable, ensuring a healthy sleep environment.
The Sealy Baby Posturepedic Crib Mattress is crafted with a firm support system that caters to the developmental needs of infants, ensuring they have the right level of support for their growing bodies.
The Colgate Eco Classica III Crib Mattress stands out for its eco-friendly materials and dual-sided design, allowing for a firmer side for infants and a softer side for toddlers, thus providing longevity and adaptability.
The Dream On Me 2-Inch Portable Crib Mattress is perfect for parents on the go, as its lightweight design allows for easy transportation, while its waterproof cover ensures that spills and accidents can be quickly cleaned up.
The Graco Premium Foam Crib Mattress is specifically tailored for Graco cribs, featuring a lightweight foam construction that makes it easy to handle, along with a removable cover that simplifies cleaning tasks.
The Newton Baby Crib Mattress is innovative with its breathable structure, promoting airflow and safety, while also being fully washable, which helps maintain a hygienic sleep space for your baby.
What Expert Recommendations Exist for Choosing a Crib Mattress?
When selecting the best mattress for a Graco Lauren crib, there are several key recommendations to consider:
- Firmness: A crib mattress should be firm to provide adequate support for a newborn’s developing body and to reduce the risk of suffocation.
- Material: Consider the materials used in the mattress construction, such as foam, innerspring, or organic materials, which can influence safety and comfort.
- Size and Fit: Ensure the mattress fits snugly within the crib frame to prevent gaps where a baby could become trapped.
- Waterproof Cover: A waterproof cover is essential for easy cleaning and to protect the mattress from spills, ensuring hygiene and durability.
- Certifications: Look for certifications like Greenguard Gold or CertiPUR-US, which indicate that the mattress meets safety standards for chemical emissions.
Firmness is crucial because soft mattresses can pose safety hazards; a firm surface helps prevent the risk of suffocation and supports healthy spinal development in infants. Always test the firmness by pressing your hand down on the mattress to see how quickly it bounces back.
The choice of material affects not only the comfort of the mattress but also its safety. Foam mattresses are lightweight and often more affordable, while innerspring mattresses provide better airflow and support, and organic materials can minimize exposure to harmful chemicals.
Ensuring the mattress size and fit is correct is vital, as a mattress that is too small can create dangerous gaps. The general guideline is to allow no more than two fingers’ width between the mattress and crib sides.
A waterproof cover is highly recommended because it makes cleaning easier and protects the mattress from moisture and stains, which can lead to mold and odors over time. Look for covers that are both waterproof and breathable for optimal comfort.
Certifications offer peace of mind regarding the materials used in the mattress. Products that carry certifications for low emissions are safer for your baby, reducing the risk of exposure to harmful chemicals commonly found in bedding products.
How Does the Right Mattress Benefit My Baby’s Sleep?
Breathability: A mattress with breathable materials helps regulate your baby’s body temperature, preventing overheating during sleep. Proper airflow is important to keep your baby comfortable, and breathable mattresses often use materials like organic cotton or gel-infused foam to enhance ventilation.
Waterproof Cover: A waterproof layer protects the mattress from spills and accidents, maintaining hygiene and prolonging the mattress’s lifespan. Since babies can be prone to nighttime accidents, having a waterproof cover makes it easier to clean and keeps the mattress dry and safe from mold and bacteria.
Size Compatibility: Ensuring that the mattress fits snugly in the Graco Lauren crib is crucial to prevent gaps where the baby could get stuck. A proper fit not only enhances safety but also ensures comfort, as a mattress that is too small may create spaces that could pose risks for your child.
Non-toxic Materials: Choosing a mattress made from non-toxic materials ensures that your baby is not exposed to harmful chemicals during sleep. Many mattresses are now made with organic materials free from harmful flame retardants or toxic adhesives, providing a safer sleeping environment for your little one.
What Impact Does Mattress Quality Have on Baby’s Sleep Patterns?
- Firmness: A firm mattress is crucial for infants as it reduces the risk of suffocation and Sudden Infant Death Syndrome (SIDS). A mattress that is too soft can interfere with the baby’s ability to breathe properly while sleeping.
- Material: The materials used in a mattress impact its breathability and allergen resistance. Organic or hypoallergenic materials can help prevent allergic reactions and provide a healthier sleep environment for babies.
- Durability: A durable mattress maintains its shape and support over time, ensuring that it continues to provide the right firmness for the baby as they grow. A mattress that sagging or loses its shape can lead to discomfort and disrupted sleep.
- Size Compatibility: Choosing a mattress that fits well within the crib, such as the best mattress for the Graco Lauren crib, ensures safety by eliminating gaps where a baby could get stuck. Proper fit also contributes to a stable sleep surface that minimizes movement during the night.
- Temperature Regulation: Some mattresses are designed with temperature-regulating properties that help keep babies comfortable throughout the night. A mattress that retains heat or lacks airflow can lead to restless sleep or overheating.