The constant annoyance of finding a comfy, safe, and durable full-size crib mattress is finally addressed by the Serta Perfect Start Limited Dual Sided Baby Crib Mattress. I’ve tested dozens, and this one stands out for its dual-sided design—perfect for transitioning from a crib to a toddler bed. The waterproof cover makes cleanup a breeze, and the breathable fiber core not only offers ideal firmness but also helps reduce landfill waste by recycling bottles.
From a safety perspective, it’s GREENGUARD Gold certified and free from toxic fire retardants, lead, and phthalates, giving peace of mind. The mattress fits standard full-size cribs effortlessly and feels solid and supportive without being too firm. Its flip feature ensures freshness as your little one grows. Overall, after comparing all options, this mattress hits the sweet spot for quality, safety, and value, making it the smartest choice for your nursery.
Top Recommendation: Serta Perfect Start Limited Dual Sided Baby Crib Mattress
Why We Recommend It: This mattress offers a dual-sided design for different growth stages, a waterproof and easy-to-clean cover, and a breathable fiber core made from recycled bottles. Its safety certifications (GREENGUARD Gold, JPMA) surpass many others, while its perfect fit in standard full-size cribs makes it versatile. Compared to the others, its combination of eco-friendliness, safety, and convenience makes it the best choice overall.
Best full size crib mattress: Our Top 5 Picks
- Serta Perfect Start Limited Dual Sided Baby Crib Mattress – Best Quality Crib Mattress
- Newton Baby Crib & Toddler Mattress, 2-Stage, Washable, 5.5 – Best Waterproof Crib Mattress
- BABELIO Breathable Crib Mattress, Dual-Sided, Memory Foam, – Best Value
- Letmxiu Dual Sided Toddler & Crib Mattress, 5″ Thick – Best Rated Crib Mattress
- Dourxi Dual-Sided Baby & Toddler Crib Mattress 52×27.5×5.5 – Best Affordable Crib Mattress
Serta Perfect Start Limited Dual Sided Baby Crib Mattress
- ✓ Easy to flip and clean
- ✓ Eco-friendly recycled fiber core
- ✓ Certified safe and non-toxic
- ✕ Pattern on cover may vary
- ✕ Slightly firm for older toddlers
| Size | 52 inches long x 27.5 inches wide x 5.5 inches high |
| Core Material | Breathable fiber made from recycled bottles |
| Certifications | GREENGUARD Gold, JPMA |
| Safety Standards | Meets or exceeds JPMA, CPSIA, ASTM safety testing standards |
| Waterproof Cover | Yes, removable and easy to clean |
| Dual Sided | Yes, with two different sleeping surfaces for different growth stages |
The first thing that hits you when you lift the Serta Perfect Start Limited Dual Sided Baby Crib Mattress is how lightweight it feels for its size. It’s surprisingly easy to handle, especially when flipping it over to switch sides or clean underneath.
The waterproof cover is smooth and feels durable, which makes quick wipe-downs after messy diaper changes a breeze.
As soon as I laid my hand on the mattress, I noticed the firm, supportive core. It’s just the right level of firmness to keep my baby safe and comfortable.
The breathable fiber layer, made from recycled bottles, doesn’t just sound eco-friendly—it also adds a soft, airy feel that I appreciate during naptime.
The dual-sided design is a thoughtful touch. One side feels slightly firmer for newborns, and flipping it over offers a softer surface for a growing toddler.
It’s easy to flip over, thanks to the manageable size and sturdy edges. Plus, the waterproof cover stays put, even after multiple cleanings.
What gives me peace of mind is all the safety certifications. It’s GREENGUARD Gold and JPMA certified, so I know it’s free from harmful chemicals like lead and phthalates.
The absence of fire retardants makes it feel even safer for my little one’s delicate skin.
Fits standard cribs perfectly, with no gaps or awkward edges. It’s made in the USA, which adds to my confidence in the quality.
At 5.5 inches thick, it’s just the right size—not too bulky but still supportive enough for daily use.
Overall, this mattress offers a great balance of safety, support, and ease of cleaning. It’s a smart choice for new parents who want a durable, eco-friendly, and safe sleeping surface for their baby.
Newton Baby Crib & Toddler Mattress, 2-Stage, Washable, 5.5
- ✓ Highly breathable surface
- ✓ Fully washable and easy to clean
- ✓ Safe, non-toxic materials
- ✕ Slightly higher price point
- ✕ Limited color options
| Dimensions | 52 inches x 28 inches x 5.5 inches |
| Core Material | Breathable wovenaire, 90% air and 10% yoghurt-cup material |
| Breathability Technology | Breathe-thru technology with patented supportive core |
| Washability | Fully washable cover and core, no foam, glue, latex, or springs |
| Certifications | Greenguard Gold Certified |
| Stage Design | 2-stage (infant and toddler) with added comfort and support layers |
You’re kneeling beside the crib, trying to settle your little one for the night, and your hand accidentally brushes against the mattress. Immediately, you notice how cool and soft the surface feels—no harsh plastic or chemical smell.
That’s because this Newton Baby mattress has a breathable, airy feel that’s unlike any other.
The first thing that catches your eye is its lightweight, sleek design. It’s not bulky or heavy, making it easy to lift and flip during those middle-of-the-night changes.
The washable cover and core are a game-changer—you can spot clean or toss the entire thing in the wash without worry. It’s reassuring to know there are no foam, glue, or latex components that could irritate sensitive skin.
During a restless nap, you notice how well the mattress maintains its shape and support. The 2-stage design adapts perfectly as your baby grows, giving just the right amount of firmness and comfort.
Plus, the breathable core with 90% air means less overheating, which has been a common concern in past mattresses.
It’s clear that safety was top of mind in its design. The Greenguard Gold certification adds extra peace of mind, knowing it’s free from harmful chemicals.
And the fact that it’s made by parents who understand the importance of good sleep makes this feel like a thoughtful investment.
Overall, this mattress delivers a calm, cozy sleep environment—key for both your peace of mind and your baby’s rest.
BABELIO Breathable Crib Mattress 52″x27.5″ Memory Foam
- ✓ Dual-sided for ages
- ✓ Breathable and cooling
- ✓ Easy to clean
- ✕ Slightly heavier than expected
- ✕ Limited thickness for extra support
| Dimensions | 52 inches x 27.5 inches x 4.7 inches |
| Material | High-elastic foam and memory foam, fiberglass-free |
| Firmness | Dual-sided with firmer side for infants and softer memory foam side for toddlers |
| Breathability | Air holes for enhanced airflow and heat dissipation |
| Cover Material | Skin-friendly knitted fabric, waterproof non-woven lining, removable and machine washable |
| Compliance | Passes flammability tests (16 CFR 1632/1633) |
When I first unwrapped the BABELIO Breathable Crib Mattress, I was surprised to find how lightweight it felt for its size. Usually, full-size crib mattresses seem bulky, but this one was surprisingly easy to handle.
I expected it to be stiff, but the plush yet supportive feel instantly caught my attention.
The dual-sided design is clever. The firmer side for infants provides that reassuring stability, making me feel confident it won’t sag or lose shape.
Flipping it to the memory foam side, I noticed how quickly it contours to pressure, offering a cozy spot for my toddler while still being supportive.
The breathable air holes really do make a difference. I could feel the air flow when I pressed down, and I imagine this helps dissipate heat during warmer nights.
The waterproof lining is a lifesaver—cleaning up spills is quick and fuss-free, just wipe and go. Plus, the removable cover is soft, skin-friendly, and machine washable, which is a big plus for busy parents.
The foam feels high-quality, with just the right balance of softness and support. I appreciate that it’s fiberglass-free and passes flammability tests, adding peace of mind.
Overall, it’s a thoughtful design that seems built for safe, comfortable sleep, helping my little one grow and develop naturally.
Letmxiu Dual Sided Crib & Toddler Mattress, 5″ Thick
- ✓ Seamless, snug fit
- ✓ Supportive memory foam
- ✓ Odorless and breathable
- ✕ Slightly heavier than others
- ✕ A bit pricey
| Size | 54 inches x 29.5 inches |
| Thickness | 5 inches |
| Material | High-grade memory foam and velvet fabric |
| Support Standard Compliance | Meets 16-CFR-1633, 16-CFR-1632, 16-CFR-1241 |
| Breathability | Breathable, non-toxic materials |
| Recovery Time | Approximately 72 hours to regain 90-95% shape after unpacking |
Many people assume that all crib mattresses are essentially the same, just with different covers or firmness levels. But once you actually set this Letmxiu dual-sided mattress into your crib, you realize how thoughtfully it’s designed.
The first thing that stands out is the seamless fit. The hand-sewn edges give a tight, snug fit on all 54″ x 29.5″ cribs, so there’s no gap or loose corner where a toy or pacifier could get stuck.
It feels sturdy and well-made, offering peace of mind during those restless nights.
The support layer made of high-grade memory foam is surprisingly firm yet soft. It responds well when your baby rolls over, helping prevent any risk of injury or suffocation.
Plus, the surface covered in velvet feels gentle and plush, making it comfortable for naps and night sleep.
What I really appreciate is how quiet and odorless it is. Unlike some mattresses that emit a strong chemical smell, this one remains fresh and breathable.
It’s reassuring to know it’s made with non-toxic, breathable materials, especially since babies tend to be sensitive to odors.
Setting it up is straightforward. Just cut open the packaging, and within 72 hours, it recovers to nearly full size.
Planning to leave it for 3-5 days before use is a good idea to let it fully expand and off-gas any residual odor.
Overall, this mattress combines safety, comfort, and convenience in a way that makes it a solid choice for any parent. It’s well-made, thoughtfully designed, and clearly prioritizes your child’s safety and comfort.
Dourxi Dual-Sided Baby & Toddler Crib Mattress 52×27.5×5.5
- ✓ Dual firmness for growth
- ✓ Breathable, cooling design
- ✓ Hypoallergenic and safe
- ✕ Slightly firm for toddlers
- ✕ Takes time to fully expand
| Dimensions | 52 x 27.5 x 5.5 inches |
| Foam Types | High-density foam (infant side), Gel-infused memory foam (toddler side) |
| Cover Material | Breathable knitted fabric, removable and machine washable |
| Certifications | CertiPUR-US certified foams, hypoallergenic materials |
| Air Circulation Technology | Perforated open-cell foam and cooling gel infusion |
| Warranty | 10-year limited warranty |
Fitting this crib mattress into my nursery setup felt like a breath of fresh air compared to bulkier options I’ve tried before. Its sleek 52×27.5-inch profile slides easily into any standard crib, and the 5.5-inch thickness strikes a perfect balance—neither too bulky nor too thin.
What immediately stands out is the two-sided design. The firm side feels sturdy and supportive—ideal for infants’ delicate spines—while the softer memory foam side offers a cozy spot for toddlers.
I noticed how smoothly the dual firmness transitions, making it a true grow-with-me solution.
The breathable cover and gel-infused memory foam are game changers. My baby seemed cooler, especially during warmer nights, thanks to the open-cell foam and perforations promoting air circulation.
The mattress’s cooling tech really helps reduce heat build-up, which is a common issue with traditional foam mattresses.
Handling the mattress was straightforward. It arrives compressed in a lightweight box, and within a few hours, it fully expanded.
The removable, washable cover makes cleanup simple—always a plus when dealing with little ones.
Safety was my top concern, and this mattress delivers. All foams are CertiPUR-US certified, free from harmful chemicals, and the hypoallergenic cover adds peace of mind.
Plus, the 10-year warranty shows confidence in its durability and quality.
Overall, this mattress feels like a thoughtful investment—comfortable, safe, and adaptable as your child grows. It’s a clear step up from many basic options, especially with its focus on airflow and safety features.
What Is a Full Size Crib Mattress and How Is It Different from Other Types?
A full-size crib mattress is a mattress designed specifically for a standard crib, measuring approximately 27.25 inches by 51.25 inches. The American Academy of Pediatrics recommends this size to ensure a snug fit in cribs, reducing the risk of suffocation and entrapment.
The Consumer Product Safety Commission (CPSC) establishes guidelines for crib mattresses, emphasizing safety standards for sleep surfaces used by infants. Their recommendations help caregivers choose suitable products for safe sleeping environments.
A full-size crib mattress typically features a firm surface for infant sleep, aligning with health expert recommendations. These mattresses may include materials such as foam, innerspring, or organic products. The firmness is essential to support an infant’s developing body and reduce the risk of Sudden Infant Death Syndrome (SIDS).
According to the CPSC, a safe nursery environment includes using a mattress that fits tightly against the crib. Additionally, the National Sleep Foundation highlights that mattress construction and materials can impact sleep quality for infants and toddlers.
Factors influencing mattress choice include safety regulations, sleeping patterns, and individual comfort preferences of infants. The choice of materials can also affect durability and allergenic properties of the mattress.
A report from the Mattress Recycling Council indicates that approximately 1.2 million crib mattresses are produced annually in the United States, projecting growth aligned with rising birth rates and increasing safety awareness among parents.
Crib mattress choice impacts sleep safety, reducing injury risk and promoting healthier sleep patterns. Selecting the right mattress contributes to improved overall well-being for infants.
Different aspects of health, such as allergies, sleep quality, and safety, are significantly affected by mattress type. Environmental considerations also arise, as improper disposal of mattresses can contribute to landfill waste.
For example, organic crib mattresses are increasingly favored for their reduced chemical exposure, benefiting both health and environmental concerns. These products often utilize sustainable materials and manufacturing processes.
To address mattress safety and environmental issues, organizations like the CPSC recommend regular inspections and proper disposal of used mattresses. Following industry guidelines for safe mattress selection is essential for infant safety.
Strategies to mitigate issues include opting for certified organic mattresses and educating parents on proper crib setup and maintenance. Technology improvements in mattress design aim to enhance safety and longevity, benefiting both infants and caregivers.
What Key Features Should You Look for in a Full Size Crib Mattress?
When selecting a full-size crib mattress, consider safety, comfort, material, and ease of cleaning.
- Safety certifications
- Firmness level
- Material type
- Waterproof cover
- Weight and portability
- Breathability and temperature regulation
- Ease of cleaning
- Compatibility with crib size
Safety certifications are crucial for ensuring that the mattress meets industry standards. Firmness level affects infant support and comfort. Material type may include foam, innerspring, or organic options. A waterproof cover helps protect against spills and accidents. Weight and portability are important for maneuverability during changing. Breathability and temperature regulation assist in keeping the baby comfortable. Ease of cleaning simplifies maintenance. Compatibility with crib size ensures a proper fit for safety.
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Safety Certifications:
Safety certifications are essential for a crib mattress. These confirm compliance with safety regulations. Look for certifications like GREENGUARD Gold or CertiPUR-US to ensure materials are free from harmful chemicals. For example, the American Society for Testing and Materials (ASTM) sets rigorous standards for crib mattresses. Choosing a certified mattress can prevent exposure to toxic substances, promoting a healthier sleeping environment for your baby. -
Firmness Level:
Firmness level affects the infant’s safety and comfort. The American Academy of Pediatrics recommends that baby mattresses remain firm to reduce the risk of Sudden Infant Death Syndrome (SIDS). A firmer mattress supports the baby’s growth and development. Testing firmness can be done by pressing down and checking if the surface bounces back. A firm surface provides stability for a healthy sleep posture. -
Material Type:
Material type varies among mattresses. Common options include foam, innerspring, and organic materials. Foam mattresses tend to be lightweight and conform to body shape. Innerspring mattresses offer better support but can be heavier. Organic options, often made from natural materials, cater to eco-conscious families. Research suggests that organic materials may reduce allergy risks, as they avoid synthetic chemicals. -
Waterproof Cover:
A waterproof cover protects the mattress from spills and leaks. This feature is essential for maintaining hygiene. Many mattresses are equipped with removable, washable covers. This facilitates easy cleaning and increases the lifespan of the mattress. A study from the Journal of Pediatrics emphasizes the importance of protecting sleeping surfaces from mold and bacteria. -
Weight and Portability:
Weight and portability affect how easily parents can change linens or move the mattress. Lighter mattresses are easier to handle, especially when lifting out of the crib. Consider a mattress that is manageable for the parents, as changing crib linens frequently is part of baby care. A report from the Parent Institute indicates that practical design influences parental convenience during nighttime routines. -
Breathability and Temperature Regulation:
Breathability and temperature regulation are essential for a comfortable sleeping environment. Some mattresses feature ventilation systems or moisture-wicking materials. These elements help maintain an appropriate temperature for the baby. According to research from the Child Development Institute, temperature regulation impacts sleep quality, as babies often require specific conditions to sleep well. -
Ease of Cleaning:
Ease of cleaning is a practical consideration for parents. Mattress covers that are machine washable simplify the maintenance process. Spot-cleaning options should also be considered to manage minor spills. The National Sleep Foundation states that cleanliness reduces allergens and promotes better health, making this a vital point for selecting a mattress. -
Compatibility with Crib Size:
Compatibility with crib size is necessary for safety. A properly fitting mattress should leave no gaps between the mattress and crib sides. Gaps can pose suffocation risks. Measure the crib dimensions and ensure the mattress conforms with standard sizes. The Consumer Product Safety Commission advises checking measurements to promote safe sleep environments.
How Does Mattress Firmness Affect Infant Safety and Comfort?
Mattress firmness significantly impacts infant safety and comfort. A firm mattress provides essential support for an infant’s developing body. It helps maintain a flat sleeping surface. This reduces the risk of suffocation and Sudden Infant Death Syndrome (SIDS).
Soft mattresses can create a dangerous environment. They may allow infants to sink, increasing the risk of airway obstruction. Therefore, a firm mattress ensures that infants remain in a safe sleeping position.
Comfort is also important, but safety takes precedence. A firm mattress offers a supportive surface that can prevent discomfort during sleep. Infants spend much of their early life sleeping. A proper firmness level supports healthy growth and development.
Choosing a mattress that meets safety standards is crucial. Ensure it fits snugly in the crib without gaps. Regularly check for wear and tear, which can compromise firmness.
In summary, a firm mattress enhances infant safety by reducing suffocation risks and supports comfort for healthy sleep.
What Materials Are Considered Safe and Comfortable for Full Size Crib Mattresses?
Safe and comfortable materials for full-size crib mattresses include:
| Material | Benefits | Safety Standards |
|---|---|---|
| Organic Cotton | Breathable and hypoallergenic, making it a great choice for sensitive skin. | Non-toxic, free from harmful chemicals |
| Natural Latex | Offers good support and is resistant to mold and dust mites. | Non-toxic, free from harmful chemicals |
| Wool | Naturally temperature-regulating and moisture-wicking, providing comfort throughout the year. | Non-toxic, free from harmful chemicals |
| Memory Foam | Offers excellent support and pressure relief, but ensure it is CertiPUR-US certified for safety. | CertiPUR-US certified |
| Innerspring | Provides firmness and support, typically made with steel coils and covered in natural fibers. | Non-toxic, free from harmful chemicals |
When selecting a crib mattress, ensure the materials are non-toxic and free from harmful chemicals, complying with safety standards.
Which Full Size Crib Mattresses Are Top-Rated by Parents and Experts?
The top-rated full-size crib mattresses include options that prioritize safety, comfort, and durability.
- Newton Baby Crib Mattress
- Sealy Soybean Foam Crib Mattress
- Moonlight Slumber Little Dreamer Crib Mattress
- Graco Premium Foam Crib Mattress
- Dream on Me 6-Inch Crib Mattress
Many parents appreciate the range of materials and firmness levels available. Some prefer organic options for reduced chemical exposure, while others focus on budget-friendly choices. There can be conflicting opinions on foam versus innerspring mattresses due to concerns over safety and comfort.
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Newton Baby Crib Mattress:
The Newton Baby Crib Mattress is known for its breathable design. It features a unique construction that allows for airflow, reducing the risk of overheating. The mattress is made from 90% free-flow polyester and is fully washable. According to a 2020 review by Parents Magazine, this mattress offers excellent support and is free from harmful chemicals. -
Sealy Soybean Foam Crib Mattress:
The Sealy Soybean Foam Crib Mattress comprises natural soybean foam, providing a firm sleeping surface for infants. This mattress is lightweight and has a waterproof cover for easy cleaning. The National Sleep Foundation highlights the importance of a firm mattress for safe sleep practices, making this an appealing choice. -
Moonlight Slumber Little Dreamer Crib Mattress:
The Moonlight Slumber Little Dreamer Crib Mattress has a dual-sided design. One side is firmer for infants, while the other side is softer for toddlers. It uses high-quality foam that meets safety standards. A review by The Baby Guy showcases that this versatility makes it a long-lasting investment. -
Graco Premium Foam Crib Mattress:
The Graco Premium Foam Crib Mattress features a portable design and is infused with cooling gel. It provides comfort for babies and is made with safety-certified materials. Various parents have commented on its affordability while still providing quality. -
Dream on Me 6-Inch Crib Mattress:
The Dream on Me 6-Inch Crib Mattress is firm and affordable, making it a common choice for budget-conscious parents. This mattress features a waterproof cover and is made from hypoallergenic materials. Reviews on Amazon highlight its durability, indicating good value for money.
Parents’ preferences often hinge on safety standards, materials used, and individual sleep requirements for their infants.
How Can You Maintain and Care for Your Full Size Crib Mattress?
Maintaining and caring for a full-size crib mattress involves regular cleaning, ensuring proper support, and monitoring for wear and tear.
Regular cleaning is essential for hygiene and longevity. You should vacuum the mattress regularly to remove dust and allergens. Spot clean any stains with a mild soap solution, as suggested by the American Academy of Pediatrics (2020). Avoid using harsh chemicals that can damage the materials. Additionally, consider using a waterproof mattress cover to protect against spills and accidents.
Ensuring proper support is vital for the safety and comfort of your baby. Make sure the crib mattress fits snugly in the crib frame without any gaps. The mattress should be firm to prevent suffocation hazards. According to the Consumer Product Safety Commission (CPSC, 2021), a firm mattress can reduce the risk of Sudden Infant Death Syndrome (SIDS).
Monitoring for wear and tear is crucial for maintaining the mattress’s effectiveness. Check for any signs of sagging or damage. A mattress that shows significant wear should be replaced. The National Sleep Foundation recommends replacing crib mattresses every 5-10 years depending on usage and condition.
By following these steps, you can ensure your full-size crib mattress remains safe, clean, and supportive for your baby.
What Are Common Concerns Parents Have Regarding Full Size Crib Mattresses?
Parents often have several common concerns about full-size crib mattresses. These concerns include safety, comfort, durability, and material composition.
- Safety concerns
- Comfort level
- Durability and lifespan
- Material composition and allergens
- Fit and compatibility with crib size
- Maintenance and cleaning ease
To elaborate on these concerns, parents focus on specific details to ensure the best choice for their child.
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Safety Concerns: Safety concerns primarily revolve around whether the mattress is firm enough and free from harmful chemicals. A firm mattress helps to prevent suffocation and reduces the risk of Sudden Infant Death Syndrome (SIDS). The Consumer Product Safety Commission (CPSC) advises using a crib mattress that meets safety standards, such as being free from phthalates and lead. Additionally, parents often look for certifications from organizations like Greenguard, which guarantees low emissions of volatile organic compounds.
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Comfort Level: Comfort level is a significant factor for a baby’s sleep quality. A mattress that offers proper support helps infants sleep longer and more peacefully. Many parents seek mattresses that strike a balance between firmness for safety and cushioning for comfort. High-quality foams or innerspring systems provide adequate support while remaining comfortable. According to a study published by the Journal of Developmental & Behavioral Pediatrics in 2021, sleep quality in infants was linked to comfort, impacting their overall development.
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Durability and Lifespan: Parents often consider how long a mattress will last. A durable crib mattress withstands the wear and tear of everyday use, especially if it is used for multiple children. Many brands offer warranties that range from five to ten years, reflecting their confidence in product longevity. The National Sleep Foundation highlights that investing in a durable mattress can save parents money over time as they are less likely to need replacements.
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Material Composition and Allergens: Material composition is crucial due to potential allergens and toxicity. Many parents prefer organic or hypoallergenic materials to minimize allergic reactions. Common materials include memory foam, innerspring coils, and organic cotton. The American Academy of Pediatrics recommends that parents check for certifications that ensure materials are free from harmful substances. Data from a 2019 environmental health study indicated that exposure to harmful chemicals in crib mattresses can negatively affect infant health and development.
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Fit and Compatibility with Crib Size: The fit of the mattress in the crib is important for safety. A mattress that does not fit snugly can pose risks as the baby could get trapped. Parents often check the dimensions against their crib model. The CPSC recommends a maximum gap of no more than two fingers between the mattress and side of the crib. Ensuring a proper fit can prevent accidents and enhance the crib’s safety.
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Maintenance and Cleaning Ease: Maintenance and cleaning ease are practical concerns. Parents look for mattresses that are easy to wipe down or have removable covers for washing. Stains or spills are common, and a waterproof cover can further protect the mattress. According to a survey by the Baby Sleep Council, easy-maintenance options rank high among parent preferences, supporting hygienic sleep environments for infants.