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The Best Sleep Sack

Last updated on October 14, 2020

We looked at the top 10 Sleep Sacks and dug through the reviews from 55 of the most popular review sites including Happy Happy Vegan, Alterestimate, Allace Reviews, Mom Loves Best, Undercover Mama, Verywell Family and more. The result is a ranking of the best Sleep Sacks.

Best Sleep Sack

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Our Picks For The Top Sleep Sacks

Show Contents
Our Take
Experts Included
Pros
Cons
  The Best Overall

Love To Dream Swaddle UP

Love To Dream

Swaddle UP

Overall Take

Effective and SoothingThis top-notch sleep sack promotes a restful sleep while protecting baby from accidental scratches.

Experts Included
DWYM Baby and Kids Experts plus New York Mag, Verywell Family, Baby Gear Lab, Temper and Tantrum, Finding Myself Young, Maman Loup’s Den and 2 more. Along with user reviews from Amazon and Target.
Pros
" The first time we used it, I was delighted that our daughter not only resembled a petite pastel starfish, she was also immediately at ease. While I still think the straitjacket method is more effective for encouraging long stretches of..."
Cons
"When washing the Swaddle UP, be sure to follow washing instructions very carefully, as there have been reports of significant shrinkage, making the garment unusable."

Burt’s Bees Baby Beekeeper Wearable Blanket

Burt's Bees Baby

Beekeeper Wearable Blanket

Overall Take

Maximum ComfortOnly organic cotton is used to construct this sleep sack.

Experts Included
DWYM Baby and Kids Experts plus Mom Loves Best, Ah Joo, Baby Gear Lab, The Friendly Fig and 1 more. Along with user reviews from Amazon and Target.
Pros
" We like the fact that they’ve been worn and tested with care, and the security that comes with buying from a unique, established brand like Burt’s."
Cons
"A little large, especially for newborns"
  The Best Value

Hudson Baby Unisex Long Sleeve Wearable Sleep Sack

Hudson Baby

Unisex Long Sleeve Wearable Sleep Sack

Overall Take

Long SleevesYou can purchase this sleep sack in sizes 0 to 9 months.

Experts Included
DWYM Baby and Kids Experts plus . Along with user reviews from Amazon.

Nested Bean Zen Sack Classic

Nested Bean

Zen Sack Classic

Overall Take

Features Calming WeightsThis sleep sack starts out fully swaddling your infant, and then changes to allow older babies to move their arms freely.

Experts Included
DWYM Baby and Kids Experts plus Alterestimate, Mom Loves Best, Undercover Mama. Along with user reviews from Amazon and Target.
Pros
" Lastly the thickness has a TOG rating of 0.5 meaning this blanket is breathable for summer days and is still cozy enough for night time sleep."
Cons
"The chest weight is ineffective once baby can turn over to its stomach."
Don't just take for granted what one reviewer says. Along with our own experts, DWYM analyzes the top expert reviews of the leading products and generates a score you can actually trust.
17

Products Considered

We identified the majority of the sleep sacks available to purchase.
10

Products Analyzed

We then selected the leading and most popular products for our team to review.

View All Product Rankings

55

Expert Reviews Included

In addition to our expert reviews, we also incorporate feedback and analysis of some of the most respected sources including: Happy Happy Vegan, Alterestimate, Allace Reviews, Mom Loves Best, Undercover Mama.

30,349

User Opinions Analyzed

We also incorporate user reviews from the leading retailers including Amazon, Walmart, Target and 4 others.

Our experts reviewed the top 10 Sleep Sacks and also dug through the reviews from 55 of the most popular review sites including Happy Happy Vegan, Alterestimate, Allace Reviews, Mom Loves Best, Undercover Mama, Verywell Family and more. The result is a ranking of the best of the best Sleep Sacks.

DWYM is your trusted roduct review source. Our team reviews thousands of product reviews from the trusted top experts and combines them into one easy-to-understand score. Learn more.

Look for the DWYM seal for products that are the best in their category.

The Best Overall

Love To Dream Swaddle UP

Our Expert Score
8.0
8 expert reviews
User Summarized Score
8.7
2,781 user reviews
Our Take

If you're looking for a trustworthy award-winning sleep sack, this model is for you. This sleeping aid gives your baby the opportunity to self-soothe, as it is less restrictive than most sleep sacks. It's unique wing design also prevents your baby from being able to scratch his or her face during nap time.

What other experts liked
The first time we used it, I was delighted that our daughter not only resembled a petite pastel starfish, she was also immediately at ease. While I still think the straitjacket method is more effective for encouraging long stretches of...
- New York Mag
February 7, 2018 | Full review
This swaddle from Love to Dream allows them to do just that, but also offers the snug, secure feel of a swaddle to calm the startle reflex and help them sleep better.
- Verywell Family
The two-way zipper makes it very easy to put on and also allows for quick nighttime diaper changes without completely undressing baby
- Baby Gear Lab
November 29, 2018 | Full review
Love to Dream Swaddle UP allows your baby to sleep in the most natural position – arms up, on the back, legs and hips free to move – for a safe night’s sleep every night.
- Temper and Tantrum
April 29, 2019 | Full review
The Swaddle UP is an ingenious zip up swaddle that allows babies to sleep in an arms up position giving them the same snug feel of being swaddled, but with their arms up they can still self soothe.
- Finding Myself Young
April 19, 2016 | Full review
Being that it was summer during our testing and we co-sleep, we tried the lightest version. It’s perfect for warm weather when you still want to keep baby wrapped up.
- Maman Loup's Den
September 28, 2015 | Full review
Love to Dream created this swaddling alternative with happy babies in mind; they’ll be safely snug and secured, but the “arms-up” design allows them more freedom to self soothe!
- Magic Beans
February 22, 2019 | Full review
I like the twin zipper design, which makes wearing and diaper changes very easy. The zip is also neatly covered up, so it doesn’t rub against the baby.
- Mummy's Reviews
What other experts didn't like
When washing the Swaddle UP, be sure to follow washing instructions very carefully, as there have been reports of significant shrinkage, making the garment unusable.
- Baby Gear Lab
November 29, 2018 | Full review
Parents stated that this swaddle blanket becomes too small too quickly as newborn begins to grow.
- Temper and Tantrum
April 29, 2019 | Full review

The Best Bang For Your Buck

Hudson Baby Unisex Long Sleeve Wearable Sleep Sack

User Summarized Score
8.4
109 user reviews
Our Take

While many sleep sacks are sleeveless, this set includes long sleeves. That makes it a better choice for the cold winter months. The sleep sacks are soft and gentle and available in 17 different colors and patterns for both boys and girls.

Overall Product Rankings

Love To Dream Swaddle UP

1. Love To Dream Swaddle UP

Overall Score: 9.5
Reviews Included: 10

Burt’s Bees Baby Beekeeper Wearable Blanket

2. Burt’s Bees Baby Beekeeper Wearable Blanket

Overall Score: 9.3
Reviews Included: 7

Hudson Baby Unisex Long Sleeve Wearable Sleep Sack

3. Hudson Baby Unisex Long Sleeve Wearable Sleep Sack

Overall Score: 9.2
Reviews Included: 1

Nested Bean Zen Sack Classic

4. Nested Bean Zen Sack Classic

Overall Score: 9.1
Reviews Included: 6

baby deedee Sleep Nest Lite

5. baby deedee Sleep Nest Lite

Overall Score: 9.0
Reviews Included: 10

Halo 100% Cotton Sleepsack

6. Halo 100% Cotton Sleepsack

Overall Score: 8.9
Reviews Included: 14

Halo Early Walker Micro Fleece Sleepsack

7. Halo Early Walker Micro Fleece Sleepsack

Overall Score: 8.6
Reviews Included: 11

Touched by Nature Unisex Organic Cotton Sleeping Bag

8. Touched by Nature Unisex Organic Cotton Sleeping Bag

Overall Score: 8.0
Reviews Included: 5

Hudson Baby Soft Jersey Cotton Sleeping Bag

9. Hudson Baby Soft Jersey Cotton Sleeping Bag

Overall Score: 8.0
Reviews Included: 3

aden + anais Classic Sleeping Bag

10. aden + anais Classic Sleeping Bag

Overall Score: 7.6
Reviews Included: 12

Our Sleep Sack Findings

Love To Dream Swaddle UP

What We Liked: If you’re looking for a trustworthy award-winning sleep sack, this model is for you. This sleeping aid gives your baby the opportunity to self-soothe, as it is less restrictive than most sleep sacks. It’s unique wing design also prevents your baby from being able to scratch his or her face during nap time.

Burt’s Bees Baby Beekeeper Wearable Blanket

What We Liked: Available in small, medium and large, this sleep sack does an excellent job of gradually transitioning your baby out of swaddling. The sack is roomy and allows for the baby to freely move his or her arms. For convenience, the zipper starts at the bottom, which allows for easy diaper changes.

Hudson Baby Unisex Long Sleeve Wearable Sleep Sack

What We Liked: While many sleep sacks are sleeveless, this set includes long sleeves. That makes it a better choice for the cold winter months. The sleep sacks are soft and gentle and available in 17 different colors and patterns for both boys and girls.

Nested Bean Zen Sack Classic

What We Liked: This sleep sack comes weighted in the chest area to provide a little pressure to help baby sleep better. The material is breathable, which means you can use the sleep sack in every season. When you’re ready to transition your baby out of swaddling, simply change the handy grow-with-me shoulder snaps.

baby deedee Sleep Nest Lite

What We Liked: Those who live in a warm climate, or who have their babies during the summer months will appreciate this sleep sack. It allows baby to have their arms and hands free, while still enjoying the body enclosure that promotes a calm and peaceful night’s rest. There are plenty of sizes and colors to choose from, so your baby can sleep in style.

Our Expert Consultant

Kate Desmond 
Parenting Pro and Safe-Sleep Expert

Kate Desmond is a writer and infant safe-sleep expert. She has spent the last eight years working as the marketing director for Charlie’s Kids Foundation, a nonprofit that aims to educate families about SIDS and safe sleep. In that role, she travels around the country learning and educating caregivers and providers on the latest and greatest safe-sleep information to prevent infant death.

As mom to two elementary-aged daughters, she spends hours researching the best and safest products for her own kids. She is quick to get in the weeds with other mamas, and uses humor to cope with parenting woes from potty-training to teaching kids to read. She writes about the ups and downs of parenting on her blog.

Our Sleep Sack Buying Guide

Among the many useful items you’ll purchase or be gifted at your baby shower are sleep sacks. Sleep sacks were designed with your infant’s safety in mind to help him or her drift off into a peaceful nap or nighttime slumber.

Safe-sleep expert, Kate Desmond, says sleep sacks are one parenting purchase you will not regret.

“Sleep sacks are the perfect and safe solution for parents looking to provide a little extra comfort or warmth for their sleeping baby,” she says. “We know that loose bedding is a major risk factor when it comes to infant sleep-related deaths. A sleep sack gives parents the ability to provide a cozy environment and warmth without the risk of a traditional blanket. “

You’ll find several different types of sleep sacks on the market, so it’s a good idea to do a little research before selecting one that would work the best for your newborn.

Start off looking for any awards or recommendations that let you know you’re buying a quality sleeper. For example, some brands are listed as the No. 1 trusted choice of hospitals that is used in hospital nurseries all over America. You also want them to be recognized as “Hip Healthy” by the International Hip Dysplasia Institute. Many that have a roomy sack that doesn’t restrict a baby’s legs from moving around have this designation.

“Sleep sacks come in a variety of types with some offering swaddle arms or flaps and others more tank top-like armholes,” Desmond says. “The important thing to note when purchasing a sleep sack is your baby’s size and ability to roll. Once a baby is able to roll you definitely want to opt out of the swaddle variety and switch to the more traditional sleeveless sack.”

Be sure to check out the sleep sack design. Is it restrictive and frustrating, or is it snug in a way that promotes calm? The Love To Dream Swaddle UP was created with a patented design that allows your baby to self-soothe. When you place your baby in the sleeper, you’ll tuck his or her arms in the sack in an upward position, which is how newborns tend to place their arms when sleeping on their backs.

Determine if important safety standards were followed and whether the sleep sack has been tested to meet those standards. You won’t want the sleeper to have any toxins. It should be BPA and phthalate-free.

Can the sleep sack grow as your baby grows, or is it meant for just one stage of use? Some sleepers are only for swaddling, while others have removable shoulder snaps to allow for growth. Examine the zipper on the sleep sacks. Although any zipper will do, a reverse zipper is best because it allows for changing your newborn’s diaper without fully removing them from the sleeper. If you’re lucky, your baby will even sleep through the diaper change!

“Sleep sacks get bonus points with me if they have a double or reverse zipper,” Desmond says. “Changing a diaper from the bottom up, instead of top-down is a huge bonus in the middle of the night.”

Desmond advises that you read the washing instructions before tossing your baby’s sleep sack in the wash.

“I found that, when possible, air-drying or a low dryer setting can prevent shrinkage,” she says. “With a fairly hefty price tag, it would be a big bummer if baby outgrew the sack due to laundry error rather than a growth spurt.”

Desmond also advises that you pay close attention to fabrics and weights.

“Make sure when selecting one for your baby you consider the temperature inside your home,” she says. “During certain months, a lightweight muslin sleep sack and a onesie might be perfect. Other times of the year might require something a little more substantial, like a heavier fleece fabric.”

Fashion-conscious parents will be happy to know sleep sacks come in all different colors and designs these days, so you will be sure to find one that matches your taste.

DWYM Fun Fact

Did you know that on average moms and dads lose out on approximately six months of sleep by the time their precious little one reaches two years of age? It’s true. Now we know how sleep affects parents, let’s take a look at what it does to newborns!

Although your infant may close his or her eyes a few minutes after you start using the rocking chair, deep sleep won’t occur until 20 minutes later. Baby sleep cycles are 30 to 40 minutes shorter than adults, which is why they wake up more frequently during the night.

It has been shown that parents who have babies who are better sleepers score higher cognitively than babies who don’t sleep as well. They also tend to have a better temperament. Newborns need a lot of sleep because their brains use 60% of their body’s glucose supply.

The average nap for an infant lasts between 1 1/2 to 2 1/2 hours. Babies tend to nap three to four times a day up until age 5 months, then drop to two to three naps through age 9 months. One to two naps are seen up until 18 months of age, however, parents may wish to put their children down for an afternoon nap through the toddler years (2 1/2 to 4 years of age).

The Sleep Sack Tips and Advice

  • Sleep sacks don’t need to be washed daily if they aren’t soiled from spit-up or a diaper leak. Instead, you can toss them in the wash once or twice a week when laundering your crib sheets.
  • Always check the sleep sack’s tag for washing and drying instructions. Most can be tossed in the washing machine just fine, but require drying on low heat. Of course, you’ll also want to make sure you’re using a laundry detergent that is gentle on a baby’s skin. Find one that is free of dyes and perfumes, or use one that is specifically labeled for use on newborn clothing.
  • It’s important to do all you can to prevent SIDS (Sudden Infant Death Syndrome). The American Academy of Pediatrics has several recommendations that parents will want to follow to reduce the risk of SIDS. This includes placing baby on his or her back for the first year of life during nap and bedtimes, as well as using a firm sleep surface and stopping the use of swaddlers once the baby begins to roll over.
  • Make sure you are choosing a sleep sack that is appropriate for the current climate. They do make sleep sacks that are thicker for colder winter months and sleepers that are made of lighter fabric for warmer summer months.
  • Select a sleep sack based on your baby’s weight, not age. You don’t want the sleep sack to be too tight, which would not only be uncomfortable for your little one, but could also pose a danger. Additionally, you don’t want the sleep sack to be so loose that it doesn’t provide the calming benefit that helps your little one fall fast asleep.
  • Look on the sleep sack packaging label to see what stage the sleeper is recommended for, so that you purchase one that matches the stage your baby is in. Stage 1 may be for swaddling, Stage 2 may be for transitioning out of swaddling and Stage 3 may be for independent sleeping.
  • You’ll be pleased to discover that when it comes to price, there isn’t much deviation among the various sleep sacks. The Love To Dream Swaddle UP, which has the best overall ratings, is one of the most affordable brands. You’ll also find the Nested Bean Zen Sack Classic meet expectations when it comes to quality and price.

About The Author

Alicia Bodine
Alicia Bodine 

Alicia Bodine is a New Jersey-based writer and mother of two. As an aunt to countless nieces and nephews, Alicia spends her free time researching the latest toys and educational products to purchase the best gifts for her favorite little ones. With more than 15 years of experience, her work has appeared on leading baby and parenting publications.