Is your new bundle on their way? If so, you’ve likely been nesting, preparing, and gathering together all the last critical items for them.
Of course, part of this process is also deciding on somewhere safe, soft, and warm for them to snuggle. Yes, you need to choose out a beautiful crib, bedding, and a comfy crib mattress!
Sure, it’s easy to pick out a crib and the bedding based on their look and quality. However, finding the best crib mattress for them is a bit more complex.
The best kinds of mattresses have added safety and comfort features for babies that adult mattresses don’t. With this in mind, I’ve selected ten of the top ones to review for you today.
At A Glance: Our Top Ten 10 Best Crib Mattress Picks for 2023:
- Newton 100% Breathable Baby & Toddler Crib Mattress – Our Top Pick
- Milliard Dual-Sided Baby & Toddler Memory Foam Crib Mattress
- Milliard Premium Dual-Sided Baby & Toddler Memory Foam Crib Mattress
- Moonlight Slumber Little Dreamer Dual-Sided Baby & Toddler Crib Mattress
- Moonlight Slumber Baby Bluebird Baby Crib & Toddler Bed Mattress
- Graco Premium Foam Baby Crib and Toddler Bed Mattress
- Serta SleepTrue 4-Inch Mini Crib Mattress
- Sealy Baby Flex Cool 2-Stage Dual-Sided Toddler & Baby Crib Mattress
- Serta Perfect Start Deluxe Fiber Core/Foam Baby Crib and Toddler Mattress
- Moonlight Slumber Luxury Dreamer Cooling Dual-Sided Memory Foam Crib Mattress
These crib mattresses offer superior comfort, safety, and sleep for your baby. In fact, they come highly recommended by many parents all over the country.
So, you can rest assured (no pun intended!) that you aren’t wasting your time browsing through these options. So, let’s not waste any more and get into this buyer’s guide and my reviews then!
What is the Best Crib Mattress?
The best crib mattress for your baby is one that offers them the best rest possible, of course. But, when it comes to crib mattresses, you also want to tick a few more boxes.
Mainly, the crib mattress should be safe for them. How so? Well, it needs to be breathable, non-toxic, and firm, especially for newborns and infants.
These safety aspects are so important as SIDS is a real risk during their first few months of their life. Though it affects few babies, you do need to be aware of the possible dangers and triggers.
That’s why you should avoid mattresses that pose a strangulation risk or emit toxic fumes. Unfortunately, many flame retardants are toxic, including PBDEs, so be aware of this, too.
| IMAGE | PRODUCT | |
|---|---|---|
 | Our Top Pick Newton 100% Breathable Baby & Toddler Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Milliard Dual-Sided Baby & Toddler Memory Foam Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Milliard Premium Dual-Sided Baby & Toddler Memory Foam Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Moonlight Slumber Little Dreamer Dual-Sided Baby & Toddler Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Moonlight Slumber Baby Bluebird Baby Crib & Toddler Bed Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Graco Premium Foam Baby Crib and Toddler Bed Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Serta SleepTrue Dual-Sided 4-Inch Mini Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Sealy Baby Flex Cool 2-Stage Dual-Sided Toddler & Baby Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Serta Perfect Start Deluxe Fiber Core/Foam Baby Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
 | Moonlight Slumber Luxury Dreamer Cooling Dual-Sided Memory Foam Crib Mattress
| VIEW ON AMAZON →READ REVIEWS → |
1. Newton 100% Breathable Baby & Toddler Crib Mattress
Features
- 2-stage baby and toddler single-sided mattress
- 100% recyclable better-than-organic non-toxic and hypoallergenic mattress
- Dual-layer, breathable, removable, and washable cover
- 52” long x 28” wide x 5.5” thick
- Mattress and cover aren’t waterproof
- Mattress made from 90% air and 10% food-grade polymer
- Greenguard Gold certified
Things We Love!
This revolutionary crib mattress isn’t just an ordinary breathable foam option. No, it’s a unique design featuring an airy polymer core, which is why it’s my number one pick!
In fact, this polymer core consists of more air than polymer. So, it’s ultra, ultra-breathable. On top of this, it’s made of food-grade polymer that’s non-toxic and tops most organic mattresses.
Your average mattress emits volatile organic compounds (VOCs), which are toxic gases. Thanks to its polymer base, this mattress is certified Greenguard Gold for the least emissions.
Furthermore, its unique core doesn’t just allow baby to breathe easier; it also keeps them cooler. In these ways, it reduces the chances of suffocation and overheating, which both risks for SIDS.
Pros:
- Not waterproof as a waterproof cover or lining poses a suffocation risk
- Both the cover and mattress are completely washable
- If required, Newton also sells a separate ultra-breathable waterproof pad mattress protector
Cons:
- Will be less warm than the average mattress in cold weather due to its breathability
- Not a dual-sided mattress
Overall Thoughts
If you’re looking for the least toxic mattress out there, this is one of your best crib mattress choices. Additionally, it’s free from other nasties, like foam, glue, latex, springs, and allergens.
So, your little one can breathe and sleep easily, even in the event of accidental tummy rolls, as can you. It even comes with a removable mattress cover, so you won’t find it difficult to clean.
2. Milliard Dual-Sided Baby & Toddler Memory Foam Crib Mattress
Features
- Dual-sided soft memory foam and firm foam mattress for toddlers and babies
- Comes in eco-friendly packaging
- Removable, washable, and waterproof 100% cotton cover
- 52” long x 27.5” wide x 5.5” thick
- The mattress has a fireproof barrier layer
- Mattress made from CertiPur certified foam
- Not Greenguard Gold certified
Things We Love!
Milliard has really taken toddler and baby comfort into account when designing this mattress. You see, it features two sides – a firm one for babies and a plush memory foam side for toddlers.
Keep baby sleeping on the firm side for their safety and comfort. Then, simply flip it over when they reach 1-2 years old.
This mattress also ensures a tight fit with the corners of your crib. As we know, gaps between the mattress and crib are a big no-no.
I love that the plastic-wrapped mattress comes in eco-friendly packaging and box. So, you don’t have to worry about disposing of excess styrofoam, plastic packets, and a non-recyclable box.
Pros:
- Dual-sides offer maximum comfort for babies and toddlers
- You can remove and wash the 100% cotton waterproof cover
Cons:
- Not Greenguard Gold certified for lowest emissions
- Not as breathable as some other options
Overall Thoughts
This is an affordable crib mattress that comes highly-rated for its plush/firm dual sides. Furthermore, it is made with CertiPUR certified foam for low VOC.
I think this is the best crib mattress option for budget-conscious parents looking for a safe and comfy mattress.
3. Milliard Premium Dual-Sided Baby & Toddler Memory Foam Crib Mattress
Features
- Dual-sided soft luxury memory foam and firm foam mattress for toddlers and babies
- Comes in eco-friendly packaging
- Removable, washable, waterproof, ultra-soft bamboo cover
- 52” long x 27.5” wide x 5.5” thick
- Mattress has a fireproof barrier layer
- Mattress is made from CertiPur certified foam
- Not Greenguard Gold certified
Things We Love!
This Milliard mattress is very similar to the one above. But it’s a bit more comfier. You see, it comes with a luxe memory foam layer for toddlers.
Additionally, it includes an ultra-soft bamboo cover that’s also waterproof, removable, and washable. You can also flip it over when baby grows into a toddler at 1-2 years.
Additionally, it has a fire barrier to keep them safe. And, it comes in eco-friendly packaging, too. In fact, it’s almost exactly the same as the regular dual-sided mattress.
It’s simply a more comfy and luxurious version of the standard version.
Pros:
- Dual-sides offer maximum comfort for babies and toddlers
- You can remove and wash the 100% bamboo waterproof cover
Cons:
- Not Greenguard Gold certified for lowest emissions
- Not as breathable as some other options
Overall Thoughts
I think this is another great option for budget-conscious parents looking for a bit of luxury. It offers a little more comfort and softness at a great price point.
If this is something you’re looking for, I think this is one of the best crib mattress options for you. Plus, it won’t cost you much more than the standard mattress, either.
4. Moonlight Slumber Little Dreamer Dual-Sided Baby & Toddler Crib Mattress
Features
- Dual-sided plush and firm foam mattress for babies and toddlers
- Lifetime warranty
- Wipeable, permanent, non-toxic, waterproof nylon covering
- 27.5” wide x 5” thick x 52” long
- Mattress has a fire-resistant layer
- Mattress made from CertiPur certified foam
- Greenguard Gold certified
Things We Love!
The Little Dreamer is another dual-sided mattress, but it is Greenguard Gold, as well as CertiPUR certified. It also comes with a lifetime warranty that tops most mattress warranties.
In fact, all Moonlight Slumber mattresses come with this lifetime warranty at present. I love that it‘s completely covered in a permanent, waterproof, and non-toxic nylon cover.
Plus, this mattress is also treated with antimicrobial ultra-fresh. This treatment gives extra protection from microscopic viruses, bacteria, and fungi that may grow on the mattress.
As mums, we definitely don’t want these dangerous guests sleeping with baby! After all, microbes like this can cause allergies, illnesses, rashes, and even antibiotic resistance.
Pros:
- Its antimicrobial treatment protects baby from viruses, bacteria, mold, and mildew
- Comes with a lifetime warranty
- A dual-sided mattress that offers optimal comfort for babies and toddlers at each stage
Cons:
- Not as breathable as some other options
Overall Thoughts
I think this is one of the best crib mattresses in the middle-range category. It’s easy to clean in the event of accidents and also protects baby from uninvited microscopic guests.
5. Moonlight Slumber Baby Bluebird Baby Crib & Toddler Bed Mattress
Features
- Dual-sided plush and firm foam mattress for babies and toddlers
- Lifetime warranty
- Removable, waterproof, medical-grade 2-way stretch knit cover
- 27.5” wide x 5” thick x 52” long
- Woven fire-resistant layer in the mattress
- Mattress is made from CertiPUR OxyFlo CoolGel memory, BreatheWell Core, Ultra-plush foam, and firm foam
- Greenguard Gold certified
Things We Love!
This Baby Bluebird mattress may have two sides, like many others. However, where it differs is in a less obvious place – the mattresses core.
You see, it features four layers of foam for optimal coolness, comfort, and breathability. Its extra firm foam is perfect for babies, while toddlers will love the plush, OxyFlo, and Breathwell layers.
Furthermore, its cover offers anti-microbial protection and odor and stain resistance. I love that it comes with a 100% cotton and organic cotton mix crib pad.
So, you won’t have to buy this separately, which is great as this can cost you a bit extra. Just add a separate crib sheet of your own choice for all the comfort they need.
Pros:
- Comes with a separate 100% cotton and organic cotton crib pad
- Four layers of foam offer a luxurious and comfy sleep
- Also available as a breathable 2-layer 38” portable mini crib mattress
Cons:
- The sides aren’t clearly marked
Overall Thoughts
Are you someone who believes in investing in an ultra-comfortable and supportive mattress for yourself? If so, you probably want the same for your baby.
I think that the Baby Bluebird crib mattress definitely delivers in this respect. It’s one of the best crib mattress options in terms of comfort, safety, and quality.
6. Graco Premium Foam Baby Crib and Toddler Bed Mattress
Features
- Two-stage baby and toddler mattress
- Breathable core
- Removable, washable, and water-resistant 100% polyester cover
- 52” long x 27.6” wide x 5” thick
- The mattress isn’t waterproof
- Mattress made of CertiPUR polyurethane foam
- Greenguard Gold certified
Things We Love!
Graco is well-known for its range of quality, affordable baby products. This crib mattress definitely fits into this category and offers great value for money.
It’s a simple, two-stage mattress suitable for most standard baby and toddler cribs. The mattress is made of firm, breathable CertiPUR and Greenguard Gold certified foam.
I love that it comes with a removable, washable cover. So, if there are any accidents, you don’t need to worry. Simply unzip the cover and throw it in the wash.
Pros:
- Suitable for toddlers and babies
- Comes with a removable, washable cover
- An affordable option
Cons:
- Not as breathable as some other options
- Not dual-sided, so it doesn’t offer the most comfort for toddlers
Overall Thoughts
If you don’t have the biggest budget, that doesn’t mean you should go empty-handed. A new crib mattress is a necessity and much safer than a used one – more on that later in this post.
Graco offers quality baby items at a very affordable price. This crib mattress is the perfect size and firmness and comes with all the certifications that many more pricey mattresses do.
7. Serta SleepTrue Dual-Sided 4-Inch Mini Crib Mattress
Features
- Dual-sided baby and toddler crib mattress
- Hypoallergenic fiber core made from recycled bottles
- Permanent, wipeable, waterproof vinyl cover
- 38” long x 24” wide x 4” thick
- Greenguard Gold certified
Things We Love!
Next to the Baby Bluebird, this is one of the best crib mattresses for mini and portable cribs. I love that it’s also eco-friendly due to its core being made from recycled bottles.
It’s also hypoallergenic, and Greenguard Gold certified safe and non-toxic. Dual sides allow you to flip it over to maintain optimal comfort and freshness for baby.
You can easily wipe the mattress clean in the event of accidents thanks to its waterproof vinyl cover. So, it’s easy to keep it free from stains and odor, too.
Pros:
- A dual-sided mattress that you can flip over and use on both sides
- An eco-friendly option made with recycled bottles
Cons:
- A small mattress only suitable for mini infant cribs, not for toddler beds
- Not as breathable as some other options
Overall Thoughts
Are you looking for the best mini crib mattress? If so, this one comes highly recommended. It’s certified non-toxic and easy to clean and maintain.
Of course, it’s suitable for most mini and Pack ‘N Play cribs. Just remember to measure yours beforehand and get a mini crib pad and sheet to fit the mattress and your crib.
8. Sealy Baby Flex Cool 2-Stage Dual-Sided Toddler & Baby Crib Mattress
Features
- Dual-sided coil toddler and baby crib mattress
- 204 premium orthopedic coils
- Lifetime warranty
- PVC-free breathable cotton lining
- 51.625” long x 27.25” wide x 6” thick
- Waterproof barrier lining
- Supportive anti-sag vertical steel bars
- Greenguard Gold certified
Things We Love!
Coiled mattresses are a popular choice for adults, children, and babies, alike. They’re supportive and often much cooler than most solid foam mattresses, as well.
Sealy is the foremost name in coiled mattresses. So, their Flex Cool is one of the best crib mattresses to consider if you’re looking into getting one for your little one.
It’s a premium, high coil-count mattress with vertical steel support bars. These steel bars stop the mattress from sagging and keep baby’s weight equally distributed for maximum comfort.
The pretty snowflake permanent cotton cover is pretty, even though you’ll have to cover it with a sheet. Plus, it has a waterproof lining to prevent any moisture from seeping into the mattress.
Pros:
- Waterproof lining stops moisture from getting into the mattress core and causing mold and mildew to grow
- High orthopedic coil count and vertical steel bars offer maximum support for baby
- Attractive cotton cover with snowflake design
- Has a firmer baby side and a softer toddler side
- Airflow pockets let the mattress breathe and stay fresh
Cons:
- You have to get a separate waterproof crib pad to protect it and make it comfortable.
Overall Thoughts
I think this is definitely one of the best crib mattresses in the coiled category. Extra care has been taken to make this mattress ultra-comfy for both babies and toddlers.
Everything is perfect for baby from its airflow pockets, extra orthopedic coils, waterproof lining, and cotton cover. On top of this, Sealy offers a lifetime warranty for this quality mattress.
9. Serta Perfect Start Deluxe Fiber Core/Foam Baby Crib Mattress
Features
- Dual-sided firm and soft foam baby and toddler mattress
- Ultimate Edge® design
- Fabric cover with waterproof backing and natural cotton fire-resistant layer
- 27.5″ wide x 52″ long x <6″ thick
- CertiPur certified mattress made from convoluted foam and a thermo-bonded polyester core
- Greenguard Gold certified
Things We Love!
This plush dual-sided mattress is another comfy option that will suit baby as they grow up. One side offers firmness for infants, while the other has a soft foam layer for toddler comfort.
As this is a deluxe mattress in Serta’s range, it has more foam layers than most others. These work together to give baby the best support and a peaceful night’s sleep.
At least the best sleep possible with your new baby’s sleeping habits! It’s also waterproof and fireproof with a waterproof backing and fire-resistant layer.
I love that the mattress has a permanent cover with an adorable baby sheep print. Sure, you will need to use a removable sheet and mattress pad over it, but it’s still a cute touch.
Pros:
- Cute mattress cover pattern
- Multiple layers of foam for a deluxe sleep experience
- Two-sided to suit toddlers and babies
Cons:
- Doesn’t come with a removable cover – you’ll have to protect it with a waterproof pad and cover it with a sheet
- Not as breathable as some other options
Overall Thoughts
I think that this crib mattress is great value for money. It offers a lot of the same features as some much more pricier options.
It’s sure to offer them a comfortable night’s sleep. On top of this, it will suit them until toddler age with its two sides.
10. Moonlight Slumber Luxury Dreamer Cooling Dual-Sided Memory Foam Crib Mattress
Features
- Dual-sided firm and plush baby and toddler mattress
- Lifetime warranty
- Waterproof AirFlow removable cover
- 27.5″ wide x 52″ long x 5″ thick
- Woven fire barrier
- Mattress made of CertiPUR certified ultra-plush foam, firm foam, and OxyFlo CoolGel foam
- Greenguard Gold certified
Things We Love!
The Luxury Dreamer combines the best aspects of both the Baby Bluebird and Little Dreamer mattresses. It has an ultra-plush layer just like the Little Dreamer does.
Additionally, it includes an OxyFlo CoolGel cooling and breathable layer like the Baby Bluebird. So, you can safely say it’s one of the most comfiest and flexible mattress choices.
It offers maximum comfort, support, and breathability at both age stages with its dual sides. The firm infant side supports babies, and the toddler side keeps them comfy.
I love that it also comes with a removable 3D breathable cover perfect for use when they’re a baby. Simply pop it on like a sheet to protect the mattress while allowing for maximum airflow.
Pros:
- Comes with a removable 3D breathable airflow cover to increase air circulation
- Three layers of foam offer maximum breathability, support, and comfort
- Dual sides offer maximum comfort at each age stage
Cons:
- The sides aren’t clearly marked
Overall Thoughts
In terms of comfort and price, this is another of the best crib mattresses to consider. In fact, I couldn’t find many negatives about it.
Customers loved how comfortable and thick the mattress is. Furthermore, they felt it definitely offered their baby the best sleep possible.
Buyer’s Guide for Purchasing a Crib Mattress
When it comes to buying a crib mattress, there are a lot of things to consider. Safety, fit, function, and comfort are top of the list.
However, there’s more. So, let’s get into the most important aspects of choosing the right crib mattress for your baby.
Why Do I Need to Buy a New Crib Mattress?
When it comes to saving money, buying or reusing a second-hand item can be a good choice. However, this is absolutely not recommended when you’re choosing a crib mattress.
You see, using a pre-used crib mattress is proven to increase the likelihood of SIDS. A Scottish study found that both routine and recent use of a pre-used mattress increased the risks.
However, the study didn’t prove exactly what raised the risk. So, mold and mildew in the mattress may be the cause. And these could be present in an old but unused mattress.
So, the best crib mattress for them is, first and foremost, a new, pristine, and unused one. Of course, if the second-hand mattress is unused, you can consider it.
However, the study didn’t prove exactly what raised the risk. So, it’s possible that mattress mold and mildew were the cause. And these could be present in an old but unused mattress.
From What Age Should Start to Use a Crib Mattress?
When to start using a crib mattress is a personal choice – it’s really up to you. After all, not all parents put their baby in a crib from birth.
The baby can start off sleeping in a mini, portable crib from birth, then move them to a bigger one. Or, you can start laying them to sleep in their big crib from birth, if they’ll tolerate it!
No matter when you start, a crib mattress should not be used alone. A perfectly fitting mattress must get used inside a safe and appropriate crib, portable crib, or toddler bed.
This is because babies can suddenly roll or wiggle over and fall on the floor. Now, I’m sure you don’t want that!
Types of Crib Mattresses
Just like adult mattresses, there are a few different types of crib mattresses. Each of these offers unique benefits and safety features and has downfalls.
Spring Coiled Mattresses
Spring coiled mattresses are one of the most common types of mattresses for adults. They’re popular because they’re supportive, breathable, and cool.
However, the spiky coils and metals may worry and deter some parents from buying one for their baby. Besides this, they really are great mattresses to choose.
Do make sure to buy a new one to avoid coils poking out and hurting your little one, though.
On top of this, an old coiled mattress may be sunken in areas, therefore lacking in adequate support. This could lead to back pain and problems for them now and later on.
Foam Core Mattresses
Apart from coiled mattresses, foam options are popular, especially with babies. If you’ve ever slept on the average foam mattress as an adult, though, you know why they’re better for kids.
Babies and toddlers are much lighter, so they don’t weigh down on the foam as much. Besides this, many new mattresses now feature ultra-firm foams and memory foams used in adult beds.
So, these mattresses really do offer plenty of support. The soft foam also provides babies and toddlers a very comfy sleep.
Polymer Mattresses
This is one of the newest types of mattresses, and the best crib mattress choice, in my opinion. Polymer mattresses are similar to foam ones as they’re also made of a material with air pockets.
However, polymer mattresses are nowhere near as dense as foam. They’re ultra-breathable – in fact, you can stuff your face into these mattresses and still breathe easily.
Furthermore, polymer mattresses offer great support without as much force on pressure points. So, when you or baby sleep on them, you don’t wake up with the typical aches and pains.
How to Choose the Best Crib Mattress
There are a few criteria to tick off if you want to buy the best crib mattress. Here, I’ll discuss a few of the most vital things to look for when choosing one.
- Buy a new crib mattress – it’s a much safer option
- Choose a mattress that fits – gaps between the mattress and crib are a hazard
- Select from the top-rated crib mattresses – you can’t go too wrong
- Get the best crib mattress possible – this baby item is an investment
- Buy a certified safe & non-toxic mattress – they are tested and proven safe for baby
- Make sure the mattress meets all current safety regulations – these regulations are there for a good reason
How to Safely Use a Crib Mattress
Your crib mattress could be the best in the world. But, if you don’t use it correctly, it could pose a hazard to your baby. With this in mind, let’s discuss the most important crib mattress safety tips.
Protect Your Mattress With a Breathable Cover
Waterproof covers may be great at protecting mattresses from wet and damp. However, they can also be difficult for babies to breathe through.
So, do use a cover that’s as breathable as possible. Luckily, many mattress manufacturers may include one or sell it separately.
Avoid Getting the Mattress Wet
You need to keep damp out of mattresses, especially foam and coiled ones. This is because mold, viruses, mildew, and bacteria can grow inside them in unreachable spots.
Luckily, most mattresses do come with a waterproof lining or cover. This isn’t an issue with polymer mattresses as you can usually wash, rinse, and dry the entire mattress.
Ensure the Edges Fit
A snug crib mattress is the safest kind of mattress. If yours doesn’t fit, return it or the crib. It’s simply not safe and poses a risk to your baby.
Clean Sheets, Cover, and Bedding Regularly
Microorganisms like bacteria, viruses, mold, mildew, and other fungi don’t just grow inside your mattress. No, they grow on bedding, too, even if you can’t see them.
So, be sure to clean the sheets, pad, and regularly wash them with baby detergent. While you’re at it, put that crib mattress outside in the fresh air and sunlight to eliminate other uninvited guests.
Don’t Put Unnecessary Bedding in the Crib
Newborns and infants are safest when they don’t have any bedding around them to pose a suffocation risk. If something falls on them, they likely don’t have the coordination to pull it off.
Pillows are completely unnecessary and dangerous, as are excessive plush toys and other items. If you cover baby with a blanket, though, tuck it into the edges to stop it riding up.
Double-Check on Product Recalls
Perhaps you’ve bought a perfect, certified, and safe mattress? If so, do be sure to check up on product recalls.
If a company finds out that their design is faulty or unsafe and puts babies at risk, they’ll recall it. And, you’d be wise to return it!
In these instances, you should get your money back as long as you can prove the purchase. So, you will be able to get another safe mattress.
Don’t Prop up the Mattress with Soft Cushions
Ideally, baby should sleep flat, but maybe you do want to let them sleep on an incline? If so, don’t be tempted to prop up the mattress with a pillow.
Instead, you need to prop them up with an appropriately-angled and breathable crib wedge pillow. These go on top of the mattress but under the cover or sheet.
Keep Baby Sleeping on Their Back
You should always keep baby on their back while sleeping in the early days and months of life. They don’t yet have the coordination to move their head if they get stuck.
In this way and more, sleeping on their tummy increases the risk of SIDS. So, do be sure to keep them on their back while sleeping, no matter what mattress on which they’re lying.
Conclusion:
Now you know how to find the best crib mattress for your little one! So, you can tick this task off your nesting list. Hopefully, you’ve found the perfect one on my list, too!