Best sleep sack for baby

The Best Sleep Sack for Baby: Top Eight Picks

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It’s no secret that babies love to sleep (eventually). But when it comes to getting them to doze off, it can be an uphill battle. One thing that helped me through those sleepless nights was the best sleep sack for baby!

The best baby sleep sacks provide your newborn comfort, safety, and warmth. They also help prevent them from kicking off the blankets or covers and make them much easier to put on than a traditional swaddle blanket!

But with so many different types of sleep sacks or wearable blankets, how do you know which is best for your little one?

When my daughter was born, I immediately began a quest to find the right sleep sack for my baby. And it took a few tries to find one she liked. With some research and trial and error, I’ve narrowed down my favorite brands and types. 

In this post, I’ll show you my eight best baby sleep sacks and what I learned about each so that you can make the wisest choice for your baby’s comfort and safety!

Read Also: Best Baby Carrier for Breastfeeding

The Best Sleep Sack for Baby- Top Eight Picks

Factors to Consider When Buying a Sleep Sack

When choosing the top sleep sacks, we kept these factors in mind.

  • First, we looked for sleep sacks with breathable fabrics that are soft to the touch. We wanted ones that would be comfortable against delicate baby skin and keep them warm without overheating.
  • Second, we made sure each sack was adjustable so it could grow with your baby.
  • Next, we looked for imaginative designs that will help keep your baby settled and cozy all through the night (such as weighted, swaddled, etc.)
  • Finally, we looked at the TOG rating. The Thermal Overall Grade is a rating given to clothing, or as it’s commonly known, Thermals. The TOG rating represents how well the set of clothes insulates you from different weather conditions. The colder the weather, the better that item’s TOG value.

Other factors to consider included budget, style, and overall preferences. We hope you find one that fits perfectly in both style and comfort!

Best Sleep Sacks for Baby Overall-Halo Cotton Sleepsack Swaddle

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

Of all the baby sleep bags I have used, I have yet to find one that compares to this Halo Sleep Sack Wearable Blanket. The Halo sleep sacks have been around for years and are still going strong because of their efficiency. 

This sack was my go-to for my nighttime routine when my girls were little, as it replaces loose blankets in the crib for a safer environment. Recommended by hospital nurseries, this sleep sack has been proven to help babies sleep better and longer. 

The double-knit construction is designed for perfect swaddling, and 100% cotton material is ideal for all seasons. 

This award-winning baby sleep bag has a sleeveless design to prevent overheating and an inverted zipper for easy diaper changes. 

It has a 3-way adjustable swaddle, so you can use Arms-In to help reduce startle reflex, One-Arm-Out for self-soothing, or Two-Arms-Out to transition baby to the SleepSack when they’re ready.

The softness of this sleep sack will quickly become one of the baby’s favorite snuggle companions, keeping him cozy day and night.

Suitable for ages 3-6 months with a TOG rating of 1.5, the sleep sack is lightweight enough for warmer climates yet solid, soft, and stretchy enough for cooler temperatures. 

However, consider adding an extra layer for chilly nights or outside visits in winter. My favorite part is the “back is best” embroidered design on the front to remind parents that newborns should sleep on their backs. 

What I Like the Most

  • Light-weight
  • Breathable sleep sack
  • Hip Healthy Swaddle
  • Machine Washable
  • Affordable
  • Crowd-pleaser

What I Dislike

  • Limited sizing options

Get This Halo Sleep Sack From Here

Best for Winter: Hudson Baby Unisex Baby Plush Sleeping Bag

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

I’m a huge fan of Hudson products. They are cute, well-made, and durable, and this Hudson Baby Unisex Baby Plush Sleeping Bag is no exception.

I used this for my daughter, who is now a toddler and still loves it. It’s just the right size for her to curl up in and get cozy for naps and bedtime—and with a TOG 2.5, it’s perfect for cold nights.

While the incredibly soft, plush exterior provides a warm, comforting feeling for your baby, the quality cotton inner ensures that the texture is soft, sensitive, and comfortable for the skin.

This wearable sleeveless blanket is made of a light warm plush fabric, providing the ideal mix of keeping baby warm while keeping baby safe from overheating. And when it comes time for nighttime diaper changes, it’s comforting to know that the reverse zipper makes that easy too!

Hudson sleep sack will replace the loose blankets in the cradle and keep your child nice, warm, and secure all night and you at peace, knowing the baby is safe and sound. Available in several sizes, you can use it from infancy through toddlerhood. 

What I Like the Most

  • Six cute colors to complement the nursery
  • Machine washable or tumble dry
  • Easy to put on and take off
  • Quilted sleep sack for extra warmth
  • Durable
  • Generously sized

What I Dislike

  • More expensive than other sleep sacks
  • For some babies, it might be too warm
  • It might not fit tiny babies

Get This Baby Deedee Sleep Nest Teddy from Here

Best for Newborn- Love to Dream Swaddle UP Self-Soothing Sleep Sack

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

Nighttime can be a real struggle for some newborns until they find Love to Dream Newborn Swaddle Up Sleep Sack. When babies hate being swaddled traditionally, this product can saved a parent’s sleep routine and sanity.

Unlike traditional swaddles, which bind a baby’s hands to its chest or sides, this swaddle creates a womb-like environment for your baby, heping them sleep better.

One of the stand-out features of this swaddle is its patented wing design. It allows the baby to keep their arms up and near their face, with ample room for movement, which many babies find comforting and soothing. 

Not only that, but it also helps prevent the startle reflex that can wake up babies and disrupt their sleep. It’s a game-changer for tired erants, as baby can sleep longer without waking up.

This sleep sack is made with a four-way stretch fabric, which is breathable and gentle on the skin while maintaining a snug fit. 

The TOG rating of 1.0 means it’s best for summer, but you can always throw another layer over or put them in a warmer pajama set to keep your little one warm during winter.

I appreciate that the swaddle is easy to use and secure. No snaps or velcro to add to the hassle, and the dual zipper allows easy diaper changes. (What else can a tired mom ask for?)

What I Like the Most

  • Machine Wash or Tumble Dry
  • Simple design- No Velcro or Snaps
  • Hip Healthy Certified
  • Free of flame retardant or harsh chemicals
  • Dual Zipper

What I Dislike

  • Sizing is off (according to reviews)
  • Expensive 

Get This Love to Dream Swaddle Up From Here

Best for Budget- Simple Joys by Carter’s Babies’ Microfleece Sleepbag

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

Are you looking for the correct sleep sack that is comfortable, safe, and doesn’t break the bank? Look no further than this Carter’s Simple Joys Sleepbag!

For less than $20, you get a pack of two of these cute baby sleep sacks that I can’t just recommend enough! The 100% polyester keeps the baby warm and super cozy yet lightweight to avoid overheating like other expensive sleep sacks. 

However, some moms complain of breathability, as polyester is not as breathable as cotton. But I love the fact that it is moisture wicking and dries out quickly. 

Also, it’s machine washable, making it easy to keep clean and maintain.

It has a zipper down the front, so you can quickly get your baby in and out of it. Bonus points for the safety tab to keep the zipper away from the baby’s chin and neck!

Though it says true to size, the sizing runs a bit small. So if you’re unsure which size to get, or if your baby is on the chubbier side, order a size up.

What I Like the Most

  • Super-affordable
  • Cute colors and designs
  • Machine wash
  • Durable
  • Roomy for legs movement

What I Dislike

  • Finicky Zipper
  • Might be too warm for some babies

Get Simple Joys Carter’s Sleep Sack from Here

Best Organic Sleep Sack-Burt’s Bees Baby Unisex-Baby Beekeeper Wearable Blanket

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

When it comes to the best organic baby sleep sack, this Burt’s Bees Beekeeper wearable blanket is a real winner. 

I love it for several reasons. Firstly, the fabric is made from 100% GOTS-certified organic cotton, free from harmful chemicals and pesticides. It makes it safe and gentle on a baby’s skin and prevents overheating. 

Secondly, the design of this sleeping bag is also a big plus. It features a top-to-bottom zipper, making it easy to put on and take off. It also has a zipper guard to prevent irritation on the baby’s neck. 

One of the best sleeveless sleep sack designs for warmer nights, ensuring the baby is relaxed and comfortable. However, you can pair it up with warm pajamas for colder months!

What I Like the Most

  • Available in a variety of colors and designs
  • Machine Wash
  • Easy to use zipper style
  • Generously Sized
  • 100% organic cotton 

What I Dislike

  • Zippers can be stubborn initially
  • On the pricier side

Get Burt’s Baby Beekeeper Wearable Blanket From Here

Best for Sensitive Skin- Kyte Baby Sleep Bag

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

A reader got this Kyte Baby Sleep bag when her son started showing signs of Eczema, so finding the right baby products with sensitive skin was not fun! This sleep sack was a big relief, instantly preventing dry skin and eczema flare-ups. 

The bamboo rayon material used in this sleeping bag is super soft, breathable, and stretchy. It also boasts antibacterial and antimicrobial properties. And did I mention Bamboo is also a great temperature regulator? So with a TOG rating of 1.0 and 2.5, you can use this sleeping bag all year round! 

The Kyte Sleep Sack is available in four sizes, ranging from 0-36 months, ensuring you can find the perfect fit for your little one. Additionally, it’s machine washable and dryer-friendly, making it one of the best sleep sacks for babies. 

Plus, there is something for everyone with a unisex design and stylish prints! 

What I Like the Most

  • Bamboo Material for breathability and sensitive skin
  • Machine Wash
  • Super Soft and Comfy

What I Dislike

  • It starts pilling after a few uses

Buy Kyte Baby Sleep Bag from Here

Best for Toddlers-Woolino Toddler Sleeping Bag Merino Wool

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

Worried about your toddler kicking off their blankets on chilly nights? Then a sleep sack may be better than a traditional blanket or comforter. One of my favorite toddler sleep sacks is this Woolino Sleep Sack that helped me immensely before we transitioned my daughter to her kid’s bed. 

Made from Merino wool and GOTS-certified organic cotton, this baby sleep sack offers luxurious buttery softness keeping your baby slumber longer. 

I love how versatile it is! The fabric is breathable and temperature-regulating, perfect for all four seasons. You don’t have to worry about your child being too hot or cold. 

But its attention to detail sets this sleeping bag apart from other sleep sacks. It features dual shoulder snaps for easy dressing and under-arm snaps to fit smaller babies. Moreover, seat-belt slots allow for easy transfer from car seat to bed. 

Overall, I appreciate the peace of mind that this Woolino Toddler Sleeping Bag provides. As a mom, there’s nothing more important than ensuring that your child is safe and comfortable while they sleep. 

Although expensive, it provides value for money, as it is available in one universal size that fits 2-4 years children, and you won’t need to buy many other baby sleeping bags with different TOG ratings.

What I Like The Most

  • Two-way Zipper
  • Easy to Clean
  • Grows with Child
  • Super durable

What I Dislike

  • Expensive

Buy Woolino Sleep Sack from Here

Best Transitional Sleep Sack- Baby Merlin’s Magic Sleepsuit 

Last update on 2024-05-05 / Affiliate links / Images from Amazon Product Advertising API

If you’re looking for a practical and magical sleep sack for your little one, then Baby Merlin’s Magic Sleep Suit is worth the investment.

 It’s versatile, comfortable, and just plain adorable!

This wonder product is specifically designed to help your baby transition from the swaddling stage to sleeping independently (usually around 6 months or whenever they start to show signs of rolling). 

It does this by providing just the right amount of comfort and security to your little one, so they can sleep soundly without feeling confined or restricted. And you all know that magical feeling when your baby sleeps through the night!

Made of three layers of cotton, it gives your little one a snug and cozy feeling. It’s also designed to keep your baby’s arms and legs relaxed and secure, perfect for helping them drift off. And last but not least, the suit is just too cute for words. 

What I Like 

  • Adorable
  • Snug and comfy
  • Durable
  • Well-made

What I Dislike

  • Expensive
  • Sizing is off

Buy Baby Merlin’s Magic Sleep Suit From Here


Still have questions? Let’s review a few commonly asked questions.

When Do Babies Start Wearing a Sleep Sack?

Most parents use a sleep sack when their baby is between two and six months old. I recommend using one when:

  • Your baby starts rolling in his sleep (at this point, a swaddle is no longer safe).
  • Baby begins to move their arms around in their sleep, potentially scratching themselves with their sharp little nails.
  • When they start to pull off their covers, and would wake up cold if left uncovered (aka, toddlers). 

When Should Babies Stop Wearing Sleep Sacks?

The exact age at which your child no longer needs a wearable blanket or sleep sack will vary from child to child — some children may be ready as early as nine months, while others may need their wearable blanket until toddlerhood!

Are Baby Sleep Sacks Recommended?

Baby Sleep sacks are a great alternative to swaddles and traditional blankets as they reduce the chances of SIDS and suffocation while keeping the baby warm and comfortable. Unlike swaddles, a sleep sack provides just enough fabric to provide warmth without the risk of getting tangled up.

Are Baby Sleep Sacks Safe?

The American Pediatric Association recommends using a lightweight sleep sack instead of blankets or weighted sleep sacks when putting your baby to sleep since it reduces the risk of SIDS (Sudden Infant Death Syndrome) and suffocation.

It also encourages parents to put babies on their backs to sleep in a crib that meets safety standards, with no blankets, pillows, or soft objects. A sleep sack is safer than loose blankets and can help prevent overheating. 

What Aren’t There Any Weighted Sleep Sacks on the List?

From my own and many other parents’ experiences, weighted sleep sacks are tricky. If a baby likes to roll onto their belly (which is okay once they’re rolling independently), the weight is not well aligned. Plus, most are quite expensive and cumbersome, leaving many parents disappointed when they don’t work as promised.

Happy Sleeping!

A good sleep sack is a must-have baby gear for any parent. Ultimately, it all comes down to individual needs and preferences. A great sleep sack offers your baby quality sleep and peace of mind as a parent.

I hope this guide about the best sleep sacks was helpful; whatever product you choose will be in your favor! 

What sleep sacks have you tried? Which are your favorite? I’d love to hear in the comments!

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