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The Best Sleep Sack

Last updated on September 12, 2019

We looked at the top 9 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
  Best Overall

Love To Dream

Swaddle UP

Overall Take

Choice Sleep SackThis top-notch sleep sack promotes a restful sleep while protecting baby from accidental scratches.

  Best Value

Halo

100% Cotton Sleepsack

Overall Take

Super Soft CottonBabies have the freedom to move around in this soft sleep sack that is widely used by hospitals across the country.

  Also Consider

baby deedee

Sleep Nest Lite

Overall Take

Restful Night's SleepLight fabric means you can use this sleep sack during the warmer spring and summer months.

  Also Great

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.

Don't just take for granted what one reviewer says. Along with our own experts, Simplemost analyzes the top expert reviews of the leading products and generates a score you can actually trust.
16

Products Considered

We identified the majority of the sleep sacks available to purchase.
9

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.

30,240

User Opinions Analyzed

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

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, the Love to Dream Swaddle UP 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.


The Best Bang For Your Buck

Halo 100% Cotton Sleepsack

Expert Summarized Score
8.3
10 expert reviews
User Summarized Score
9.9
3,203 user reviews
Our Take

One of the most affordable and comfortable sleep sacks is the Halo 100% Cotton Sleepsack. Made of soft cotton, this sleeper comes recommended by hospital nurseries as one of the safer sleep sacks. Parents will love the roominess around the sleeper's hip area and the zipper closure for easy diaper changes.

Our Findings

Love To Dream Swaddle UP

What We Liked: If you’re looking for a trustworthy award-winning sleep sack, the Love to Dream Swaddle UP 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.

Simplemost Media

Halo 100% Cotton Sleepsack

Best Value

Halo Sleepsack 100% Cotton Wearable Blanket, Heather Gray, X-Large (Baby Product)


List Price: $24.99 USD
New From: $24.99 USD In Stock
Used from: Out of Stock

What We Liked: One of the most affordable and comfortable sleep sacks is the Halo 100% Cotton Sleepsack. Made of soft cotton, this sleeper comes recommended by hospital nurseries as one of the safer sleep sacks. Parents will love the roominess around the sleeper’s hip area and the zipper closure for easy diaper changes.

Simplemost Media

baby deedee Sleep Nest Lite

Also Consider

baby deedee Sleep Nest Lite, Sleeping Bag Sack - Heather Teal, M (6-18 Months) (Baby Product)


List Price: $36.00 USD
New From: $36.00 USD In Stock
Used from: Out of Stock

What We Liked: Those who live in a warm climate, or who have their babies during the summer months will appreciate the baby deedee Sleep Nest Lite. This sleep sack 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.

Simplemost Media

Nested Bean Zen Sack Classic

Also Great

Nested Bean Zen Sack Classic - Adjustable Cotton Wearable Blanket | Baby Sleeping Bag


List Price: $42.99
New From: $37.99 – $42.99
Used from: Out of Stock
Variations::

What We Liked: The Nested Bean Zen Sack Classic 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.

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, KateDesmond.com.

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. But 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. The Halo 100% Cotton Sleepsack, for example, is the No. 1 trusted choice of hospitals, used in hospital nurseries all over America. They also are recognized as “Hip Healthy” by the International Hip Dysplasia Institute thanks to the roomy sack that does not restrict a baby’s legs from moving around.

“Sleep sacks come in a variety of types with some offering swaddle arms or flaps and others more tank top-like arm holes,” 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, like baby deedee Sleep Nest Lite 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.

Simplemost 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. Although the Halo 100% Cotton Sleepsack is considered the best value, it is still close in cost to the Love To Dream Swaddle UP, which has the best overall ratings. You’ll also find the baby deedee Sleep Nest Lite and 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 in sites like Education.com, Time4Learning, Sports Mom Survival Guide and the BUMP.