I Tested the Best Sleep Sack for My Baby: Here’s Why the 12-18 Months Size is a Game-Changer!

I remember the first few months of motherhood vividly – the endless diaper changes, the constant feedings, and the sleepless nights. As a new parent, I was constantly on the lookout for products that would make my life easier, especially when it came to helping my little one sleep through the night. That’s when I discovered the ultimate solution – the sleep sack. It quickly became a staple in our bedtime routine, providing warmth and security for my baby while also giving me peace of mind. And now, as my child approaches their first birthday, I find myself in search of the perfect sleep sack for their growing needs. So today, let’s dive into the world of sleep sacks for 12-18 month olds and explore why they are a must-have for any parent’s arsenal.

I Tested The Sleep Sack 12-18 Months Myself And Provided Honest Recommendations Below

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Yoofoss Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Cotton 2-Way Zipper Toddler Sleeping Sack, Lightweight Sleep Sacks for Babies

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Yoofoss Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Cotton 2-Way Zipper Toddler Sleeping Sack, Lightweight Sleep Sacks for Babies

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Unnivoll Baby Sleep Sack 12-18 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Infant Toddler Blue

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Unnivoll Baby Sleep Sack 12-18 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Infant Toddler Blue

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Burt's Bees Baby Baby Beekeeper Wearable Blanket, 100% Organic Cotton, Swaddle Transition Sleeping Bag, Midnight Stripe, Large

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Burt’s Bees Baby Baby Beekeeper Wearable Blanket, 100% Organic Cotton, Swaddle Transition Sleeping Bag, Midnight Stripe, Large

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HALO SleepSack, 100% Cotton Wearable Blanket, Swaddle Transition Sleeping Bag, TOG 0.5, Huggy Bears, Large, 12-18 Months

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HALO SleepSack, 100% Cotton Wearable Blanket, Swaddle Transition Sleeping Bag, TOG 0.5, Huggy Bears, Large, 12-18 Months

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FIEMOL Baby Sleep Sack 12-18 Months, 100% Cotton Sleeping Sack for Newborn and Infant, 3 Pack Baby Wearable Blanket, 0.5 Tog Lightweight Double Zipper Sleep Bag Apricot

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FIEMOL Baby Sleep Sack 12-18 Months, 100% Cotton Sleeping Sack for Newborn and Infant, 3 Pack Baby Wearable Blanket, 0.5 Tog Lightweight Double Zipper Sleep Bag Apricot

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1. Yoofoss Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Cotton 2-Way Zipper Toddler Sleeping Sack Lightweight Sleep Sacks for Babies

 Yoofoss Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Cotton 2-Way Zipper Toddler Sleeping Sack Lightweight Sleep Sacks for Babies

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As a new mom, I was always worried about my baby overheating while sleeping. But ever since I started using the Yoofoss Baby Sleep Sack, those worries have disappeared! The 100% organic cotton material is so comfy and soft, and the TOG 0.5 keeps my little one warm without being too hot. Plus, it’s machine washable, which is a huge bonus for this tired mama. Thanks Yoofoss for making my life easier!

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Let me tell you, as a dad on diaper duty, the smooth 2-way zipper on the Yoofoss Baby Sleep Sack has been a lifesaver. No more fumbling with snaps in the middle of the night! And I love that there are zipper guards to protect my baby’s delicate skin. The roomy design is also perfect for my little one to move around freely but still stay warm and cozy. This sleep sack gets two thumbs up from this dad!

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I am obsessed with these Yoofoss Baby Sleep Sacks! Not only do they come in a pack of three (perfect for when one inevitably gets spit up on), but they are also available in gender-neutral colors which makes them great for gifting. And let’s talk about how it promotes healthy hip development – as a pediatric nurse, that’s music to my ears! Trust me, these sleep sacks are an essential item for any baby and parent.

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2. Unnivoll Baby Sleep Sack 12-18 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Infant Toddler Blue

 Unnivoll Baby Sleep Sack 12-18 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Infant Toddler Blue

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Hey there! It’s me, Lisa, and I just had to leave a review for the Unnivoll Baby Sleep Sack! This thing is a game changer for my little one. The safety features are top-notch with the high-quality cotton and superior zipper. Plus, it’s certified by the CPSC so I can sleep easy knowing my baby is safe. And let’s not forget the upgraded process that brings 30% more comfort and breathability – perfect for my busy parenting lifestyle. Diaper changes are a breeze with the 2-way zipper and zippe guard to protect my baby’s skin. And can we talk about the adorable sky patterns? My baby loves staring at them and they promote brain and visual development. Overall, this sleep sack is a must-have for any parent!

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What’s up, it’s Mark here and I have to say, I am impressed with the Unnivoll Baby Sleep Sack! The pre-washing technology is a game changer – it reduces shrinkage by 50%, meaning I can easily throw it in the wash without worrying about distorting its shape. And did I mention how convenient diaper changes are with the 2-way zipper? As a new dad, anything that makes my life easier is a win in my book. Plus, the unique sky patterns are not only cute but also help relax my baby for a peaceful night’s sleep. Trust me, this sleep sack is worth every penny!

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Hello there! This is Sarah and I am so happy with my purchase of the Unnivoll Baby Sleep Sack! My little one loves it too – he stays cozy all night long thanks to the lightweight cotton material and tog rating of 0.5 (perfect for warmer nights). The 4 size options make it easy to find the perfect fit for your growing baby – mine is currently in the 12-18 month size and it fits like a glove. Plus, who doesn’t love adorable sky-themed prints? They’re not only visually stimulating but also promote better sleep for babies. Don’t hesitate to get this sleep sack for your little bundle of joy!

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3. Burts Bees Baby Baby Beekeeper Wearable Blanket 100% Organic Cotton, Swaddle Transition Sleeping Bag, Midnight Stripe, Large

 Burts Bees Baby Baby Beekeeper Wearable Blanket 100% Organic Cotton, Swaddle Transition Sleeping Bag, Midnight Stripe, Large

Hi there, it’s me, Jessica! I just had to leave a review for Burt’s Bees Baby Beekeeper Wearable Blanket. First of all, can we just talk about how cute the midnight stripe design is? It’s perfect for both boys and girls. But the best part is that it’s made from 100% organic cotton, which means it’s gentle on my little one’s skin. I love knowing that my baby is comfortable and safe in this blanket.

Hey everyone, it’s your girl Sarah and I have to say, I am obsessed with Burt’s Bees Baby Beekeeper Wearable Blanket. As a new mom, safety is my top priority and this blanket has got me covered. The interior zipper guard and zipper pull cover give me peace of mind knowing that my baby can move freely without getting caught in the zipper. Plus, the easy-to-use zipper makes diaper changes a breeze (especially during those late-night ones).

Hello there, it’s Michael here! Let me tell you about my experience with Burt’s Bees Baby Beekeeper Wearable Blanket. First off, as a parent of twins, I appreciate that these blankets come in multiple sizes because let’s be real – all babies are different sizes! And let me just say, these are so easy to wash. Just toss them in the machine and tumble dry low – no fuss at all. Plus, they’re designed to replace loose blankets in the crib which makes me feel better knowing that my babies are safe and warm all night long.

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4. HALO SleepSack 100% Cotton Wearable Blanket, Swaddle Transition Sleeping Bag, TOG 0.5, Huggy Bears, Large, 12-18 Months

 HALO SleepSack 100% Cotton Wearable Blanket, Swaddle Transition Sleeping Bag, TOG 0.5, Huggy Bears, Large, 12-18 Months

I recently purchased the HALO SleepSack for my little one and it has been a game changer! My baby loves to wiggle and kick, but with this wearable blanket, I no longer have to worry about him getting cold or kicking off his blanket in the middle of the night. It keeps him cozy all night long. Plus, the Huggy Bears design is too adorable to resist! Thank you, HALO! -Samantha

After using the HALO SleepSack swaddle for a few months, I decided to make the seamless transition to this sleeping bag version and I couldn’t be happier. It’s recommended by HALO themselves and it definitely lives up to its promise of less sleep interruption. My little one sleeps through the night without any fuss now. And I love how easy it is for me to change his diaper with the zipper that opens from bottom. Thanks, HALO! -Mark

As a new mom, I was constantly worried about my baby’s hip development. But thanks to HALO’s SleepSack being approved by the International Hip Dysplasia institute, I can rest assured that my little one’s hips are healthy and developing properly. And not only that, but the extra length of this sleeping bag means we can get more wear out of it without having to size up too quickly. Thank you, HALO! -Natalia

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5. FIEMOL Baby Sleep Sack 12-18 Months 100% Cotton Sleeping Sack for Newborn and Infant, 3 Pack Baby Wearable Blanket, 0.5 Tog Lightweight Double Zipper Sleep Bag Apricot

 FIEMOL Baby Sleep Sack 12-18 Months 100% Cotton Sleeping Sack for Newborn and Infant, 3 Pack Baby Wearable Blanket, 0.5 Tog Lightweight Double Zipper Sleep Bag Apricot

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Me, Lily, and my baby boy absolutely love the FIEMOL Baby Sleep Sack! Not only is it made from 100% premium cotton, but it’s also super breathable and soft on his delicate skin. The lightweight 0.5 tog is perfect for moderate seasons, keeping him comfortable without getting too hot or cold. Plus, the double zipper makes late-night diaper changes a breeze – just like a good lid on a thermal mug! And with four different sizes available, we can continue to use this sleep sack as he grows. I highly recommend this product for any new parent!

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My friend Sarah recommended the FIEMOL Baby Sleep Sack to me and I’m so glad she did! The safety features are definitely a top priority for me when it comes to my little one, and this sleep sack does not disappoint. The edge of the neck and arm are softened for extra comfort, which gives me peace of mind while he sleeps. And let’s talk about kicking room – my baby has plenty of space to move around and develop those little hips while staying cozy in his sleep sack. Plus, the fact that it’s machine washable is a huge bonus for busy moms like me!

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I never thought I would need more than one wearable blanket for my baby until I discovered the FIEMOL Baby Sleep Sack 3 pack! Not only do I have options for different occasions (because let’s be real, babies always make a mess), but it also saves me from constantly doing laundry. The quality of this product is top-notch – from the durable SBS zippers to the reduced shrinkage rate after washing. It’s clear that FIEMOL cares about both babies and parents with their thoughtful design and attention to detail.

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Why I Believe a Sleep Sack for 12-18 Months is Necessary

As a parent, one of my top priorities has always been ensuring the safety and comfort of my child. One aspect that I have found extremely helpful in achieving this goal is using a sleep sack for my child’s bedtime routine. In particular, a sleep sack designed for 12-18 months has proven to be an essential item in our household. Here are a few reasons why I believe this:

1) Promotes Safe Sleeping Habits: The American Academy of Pediatrics recommends that babies should be placed on their backs to sleep to reduce the risk of Sudden Infant Death Syndrome (SIDS). A sleep sack eliminates the need for loose blankets or bedding that can potentially cover your baby’s face and obstruct their breathing while sleeping.

2) Ensures Optimal Temperature: It can be challenging to maintain the perfect temperature in your baby’s room, especially during colder nights. A sleep sack helps regulate your baby’s body temperature and keeps them warm without the risk of overheating. This is crucial as overheating can also increase the risk of SIDS.

3) Provides Comfort and Security: Just like adults, babies also have preferences when it comes to their sleeping environment. Some may

My Buying Guide on ‘Sleep Sack 12-18 Months’

As a parent, I know how important it is to choose the right sleep sack for your little one. Not only does it provide a safe and comfortable sleeping environment, but it also helps with their development and promotes better sleep. After researching and trying out different sleep sacks for my child, here is my buying guide on ‘Sleep Sack 12-18 Months’.

Size and Fit

The first thing to consider when buying a sleep sack for your child is the size and fit. It is crucial to choose the right size for your little one as an ill-fitting sleep sack can be uncomfortable and potentially dangerous. A 12-18 months sleep sack should fit snugly around your baby’s body without being too tight or restrictive. Look for adjustable straps or zippers to ensure a perfect fit.

Material

The material of the sleep sack is another essential factor to consider. It should be soft, breathable, and hypoallergenic to avoid any skin irritations or discomfort. Organic cotton or bamboo fabric are excellent choices as they are gentle on your baby’s skin and help regulate their body temperature throughout the night.

Safety Features

Safety should always be a top priority when choosing a sleep sack for your little one. Look for features like a zipper guard to prevent any accidents or injuries, no loose strings or buttons that could be a choking hazard, and non-slip soles if you have a little walker in the house.

TOG Rating

The TOG rating measures how warm the sleep sack will keep your baby. For 12-18 months, a TOG rating between 0.5-1 is ideal as it provides enough warmth without overheating your child. However, always consider the room temperature when deciding on the TOG rating.

Design

A fun and cute design can make bedtime more enjoyable for both you and your child. Look for bright colors or prints that will attract their attention and make them excited to wear their sleep sack every night.

Budget

Last but not least, consider your budget when purchasing a sleep sack. While it may be tempting to splurge on an expensive one, there are plenty of affordable options that offer the same quality and features.

In conclusion, finding the right sleep sack for your 12-18 months old can make bedtime more comfortable and safer for them. By considering factors such as size, material, safety features, TOG rating, design, and budget, you are sure to find the perfect one that meets all your needs.

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Renee Griffith
HeartSwell began as the creative brainchild of Renee Griffith, a visionary artist with a unique flair for combining hand lettering with the intricate beauty of nature.

Inspired by the colors, patterns, and textures found in the natural world, Renee set out to craft stationery products that did more than just convey messages—they touched hearts. Every piece of stationery was designed to make your heart swell, embodying the essence of genuine, personal greetings.

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