"The first night using this my 4 month old went from sleeping 3 hours to a full 8!" -Lauren M.
Read more ReviewsZen Sack™ Classic
Zen Sack™ Classic
Nested Bean
ZKC403-S
725185415042
43043675209913
$ 39.99
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Trusted by over 1 million parents
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Safely weighted to mimic your touch
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Longer sleep in 1-3 nights
The gently weighted Zen Sack helps your baby sleep through every sleep phase. Designed to help babies self-soothe and fall asleep independently, the Zen Sack eases the transition from swaddle to sack, and prevents sleep regressions and disruptions: An essential for sleep training.
▪ Two-way zipper makes diaper changes a breeze
▪ Zipper covers, cuddly seams and soft tags protect your baby’s skin
▪ Can be worn backwards by tummy sleepers who can roll independently
▪ Exceeds safety standards by 8x + Pulmonologist approved
Sizes from 0 to 24 months
Fabric details:
▪ 100% breathable cotton
Care details:
▪ Wash in cold water on delicate cycle
▪ Tumble dry on low heat
▪ Exceeds the most stringent safety standards by 8x
▪ Safe alternative to all-weighted sleepwear
▪ Adheres to all Consumer Product Safety Commission requirements
Frequently Bought
Zen Neo™ Classic 2-Pack
$ 51.99
Zen One™ Classic
$ 45.99
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Real Parent Reviews
Pandhita P.
It didn’t really work for our baby. His sleeping pattern or duration didn’t change at all since we started using this product. It’s almost two weeks since we started using it…. So I don’t know if this product will ever work for us :(
Sarah F.
We notice an immediate improvement in their sleep patterns when they wear their Zen Sacks!
julia h.
this sleep sack is very soft and cute! however, i’d recommend sizing up if you have a higher percentile baby. I got the medium (6-15mo) for my 10 month old and I know she’ll be too long for it way before 15 months.
Marketa R.
My little one loves Nested Bean sleep sack. We are using it since she was 6 months old and it has improved her sleep quality so much!
Richie K.
We love the zen classic sleep sack! It’s the perfect thickness (not too thick, not too thin) for the weather we have and our temperature controlled home. The weighted part on the chest is perfect as well. Just enough to make her feel like she is still being touched.
Katie E.
We transitioned from full swaddle to the sleep sack and it was so smooth! Our 6 month old LOVES the sleep sack and sleeps great in it.
Val C.
I am so glad I tried the Nested Bean weighted sleep sack. My baby boy was a non-sleeper. He'd get up all night, and this went on for his whole first year. I tried everything, including upgrading to a Newton breathable crib mattress when he was ~6 months old (which I also love) so he could sleep on his tummy (his preferred method), but that alone did not fix the problem. I decided to purchase the Nested Bean because it is reversable, meaning I could put the weighted side on his back. I've tried other weighted sleep sacks, but they were too heavy to put on "backwards", and so heavy in fact, he had trouble standing up in his crib wearing them which was concerning. Nested Bean did the trick! And they're the perfect weight. We saw an improvement once we tried the 6-15 months size, where the little bean sack is a small oval on his back/chest. When we upgraded to the 15-24 months size, where the beans go across his entire back, he sleeps 11+ hours without waking AND I can put him down before he's asleep and he'll calmly fall asleep on his own. We have a summer sack, a classic sack, and a quilted winter sack and we love them all. Great company, and high-quality, thoughtful products. Highly recommend!!! My only regret is not discovering the brand when he was an infant, so I could start swaddling him immediately :)
Natalie P.
This is our third size of the weighted sleep sack. My daughter loves it and we have continued to by her bigger sizes as she grows.
Sharon G.
Well made. Very soft! For my wonderful grandchild, E B R. Thanks for a great product!
Elisa R.
I bought this at a desperate moment around 3:30 in the morning when our six month old wasn’t sleeping well. The reviews are spot on. As soon as this bad boy arrived, we wrapped our little one up and we’ve been on consistent sleep since then! The weight is just right and she loves the freedom of the space. I now need to buy another one for back up.
Gabriella P.
My newborn lasted very few in swaddles, plus she is trying to turn since month one. Ever since we changed to the Nested Bean Sleep Sack she sleeps more comfortable and we fill relieved that she can also move freely.
Cam
My baby was having a hard time transitioning out of the swaddle. I put him in this sleep sack and he slept great all night with his arms free!
Elizabeth R. T.
My son is 12 weeks old and has alot of gas. This did not do the miracle that it has done for alot of others. I have put it on him ever since we got it. It is going to be about 2 weeks now. I can say that he does let me put him down without fussing but he doesn’t sleep for more than maybe 4 hours in it. This is why I gave it an it’s okay because I don’t think it’s horrible, but it hasn’t been the greatest thing ever like most people are commenting here.
Danielle W.
Absolutely love!!!
Brenda P.
We received one of these as a gift when my twins were 5 months old. They've slept with one ever since, they sleep so much better it on! The few times we've forgotten to put it on they seem to toss and turn most of the night. We love ours!
Paige B.
This sleep sack works really well for us. The quality and weight feel really good. The shoulder snaps are a nice addition to the side zip, giving us an extra way to pull him out of it in the morning. I also like that it's reversible for our tummy sleeper. Nothing but good things to say!
jessica b.
It is made well and cute but can't say I see any difference at all in sleep pattern unfortunately
Jacqueline K.
Our daycare had one of these, that he was sleeping all the time, since they can’t swaddle him there. We took it home one weekend, and just knew we had to have one for our home.
Nichole M.
Both my boys started sleeping through the night after we purchased Nested Beans. The older son preferred the footsie pajamas while his little brother preferred the Zen and Classic Sack. I recommend these to all our friends! The weight is just comforting enough to put themselves to sleep and they love lounging in them right before bed. Very soothing and soft fabric.
Natalie L.
I’m not seeing a difference in my sons sleep. We’ve been using for over a week and he’s still sleeping his usual schedule (waking every 3-4 hours). Not sure if it’s just his age (14 weeks). I also find the zipper a little bulky.
Jenieca I.
Love nested bean sleep sacks!! I bought one for my daughter (FTM) when she was around 4-5 months. I swear she slept through the whole night till 7am when I started using it. She's a pretty tall/long girl so she grew out of her original one after a few months and I noticed along with sleep regression she started waking up again at night at least 1-2 times. So I just purchased the 15-24 month sleep sack after her first birthday and she's back to sleeping so well at night! I use it at nap time too and she actually gets some pretty good sleep in during the day now too. Highly recommend
Arunee A.
My son is almost 6 month old and I looking swaddle transition for him and decided to try Nested Bean but it doesn't work for him, he is still wake up 2 time at night:(
Audrey H.
My daughter made the transition from the Merlin Sleep Suit to the Nested Bean Sleep Sacks. She is now almost 6 months old, and is a full on stomach sleeper. There is no stopping her! So the little weighted bean for her back seems to soothe her nicely during naps and overnight. They are comfy, a good price, easily washable, and she will use them for a long time!
Morgan K.
Around 3 months our baby started sleeping through the night on his own. But month 4 when he started teething, his night sleep became all over the place. We also noticed that when we put him down in his crib he would jerk himself awake. The zen sack coupled with making sure he gets a good nursing session in right before bedtime has helped him sleep through the night. And he doesn’t jerk himself awake when we put him down anymore because of that extra weight/comfort from the zen sack. Def recommend!
Brittany R.
I love those sleep sacks! Hands down the best I have ever used with both of my kids. I was having issues with my son sleep at night and after 2 nights with the sleep sack, he slept 6 hours without waking up! I highly recommend this Product.
Aspen S.
Great quality!
Sheri C.
This is a gift for a friend who has yet to have her son but my grandson has a few and they are great.
Megan R.
High Quality materials and well made
Nicole C.
Very nice quality, fits my son well. He hasn’t slept through the night with it but he has sleep longer in his bassinet. Highly recommend!
April F.
Grandson loves his sleep sacs
Tawny S.
Been using since babe was a newborn. She is now 16 months and we use it to keep her from drafts in our camper. 10/10 will use if we have another babe!
Kassie B.
She has been sleeping more then what she was before.
Mirian L.
It is good and nice quality. But my 4 month old baby is sleeping the same schedule than before using it, he is not sleeping more hours …
He is just sleeping 4-5 hours straight …
I wish he gets better sleeping.
Joy J.
He seems to love it. But didn’t sleep the hours it says.
Kaleigha B.
Our son is a tummy sleeper. We love the fact that he can wear the sleep sack by just turning it over to sleep. He sleeps through the night & hardly ever requires a visit from mom or dad.
Elizabeth R.
While I like the sleep sac, I ordered the bigger size bc my LO was growing out of the infant size. The larger size does not have the long silky tag on the outside which is his comfort at night (third kid so you know). I realize removing the tag from the larger size may have been an improvement but I was counting on it for him. Otherwise, I love the brand.
Alison S.
I did not notice any significant improvement in sleep using this sleep sack. But it is a very nice quality and I really enjoy using it! I just do not think it improves infant sleep at all.
Kayla L.
We had the Zen One previously, and we were looking for a new sleep sack now that it's gotten so much colder where we are. Love this! And love the color options.
Mariia K.
Great quality !
Nayara P.
Really like the fabric, the color and the quality.
Colleen M.
My baby can't live without this...seriously. makes him sleep all night lonnnng. Don't walk ...run to buy this. Made out of fab quality and is a must have!
Isadora F.
So good for warmer days. And he still feels safe!!
Dominique B.
Our baby girl sleeps 10-12 hrs a night! We started with the swaddle at 2.5 months and have graduated to the Zen sleep sack now. As soon her sleep sack goes on, she knows it’s bed time!
frankie m.
Great, the material is so soft! Our little one loves it also!! will definitely be purchasing more when he outgrows his size.
Paige H.
Definitely has helped both my boys sleep better at night!
Katie M.
Within 24hrs, my baby girl was sleeping soundly through the night
Veronica O.
My son loves it!
Ashleigh R.
Love our sleep sac!! Our 6 month old sleeps great in it!
Holly S.
I absolutely believe this helps my baby sleep better at night. I didn’t use one with our first and wish we would have.
Abby R.
It’s a functional sleep sack. I can’t say that it’s helped her sleep any better though.
Jennifer R.
My son has been using nested bean since 1 month, I find comfort in knowing I don’t have to put a blanket on him & worry about him being cold or him getting tangled in blanket while sleeping. Invest in your little ones! He also sleeps all night with it 10/10
Karynn M.
Very high quality and fits perfectly. This is our 5th bean and does not disappoint
Erica K.
Our little one did not sleep well at all. We were trying everything! Finally my MIL found this weighted sleep sack and it was a game changer! Once he was out of the swaddle we went with Nested Bean and won’t go back! So glad they have these up to 24 months. Wonderful product, high quality, would recommend for everyone!
Colleen M.
We were struggling to get my 1 year old to sleep past 4 am. I thought maybe he was getting cold and needed some cozy snuggles. These have been the perfect addition to our routine and sleep is going so well!
Avery K.
We love it! We went from sleeping 4 hours to sleeping 7-8 hours!
Brittany P.
Love our sleep sack and nested bean has the best customer service! We ordered the wrong size and they sent us the right one at no charge! So grateful for this to help our little one sleep so mommy & daddy can get some rest & function too :)
Traci H.
Love that it is lighter weight - perfect with a sleeper during winter months! Who does not love a good sleeping babe!
Puja P.
We've been a fan since we bought the 6-15 month sleep sack. Hopefully baby girl doesn't get too tall! The last one only worked til she hit 12 months and then she outgrew it. Very breathable and lightweight and she loves sleeping in it! Only reason for the 4 stars is how long I was able to use it for her.
Brinna C.
My baby has never slept better!! I’m much more at ease knowing my baby is comfortable and happy!
ash
great
Jannette C.
The nestedbean zen sack works wonders!! My baby boy is about to be 3 months next week and this is the first night he has slept over 9 hours Not to mention the sleep sack is super soft and just so cute!
Brenda F.
She sleeps all night.
It’s super easy to change her at night and keeps her warm!
Lauren R.
Love this product
Cameron H.
As soon as I put the Zen One on my 2 week old he instantly went to sleep. Instantly! It was amazing and he loves having his arms by his face, so the fact that he can have his arms out is a plus. I really think he likes the weighted part too, he loves being held. I will definitely be buying more!
Yvonne O.
Our baby loved her sleep sack . It gives her the freedom to move her arms and the comfort she is use to. We chose the winter style and love that it keeps her nice and warm .
Marianni L.
Love it! my 4 month old is going through sleep regression and this was a life saver. Mommy and daddy can now get some sleep and babe sleeps through the night !
Carla K.
Our little girl loves her zen sack! It is so soft and has a good bit of length so she can definitely grow into it. It has enough “weight” for her to have that feeling of our hands on her chest to settle her to sleep but light enough that she has no problem rolling from back to belly or vice versa. Biggest difference I’ve seen is during nap time, it used to be hard to get her to take naps in her crib but now settles pretty quickly. Highly recommend!
Amber W.
We transitioned from swaddle to nested bean at 2.5 months since our little lady likes to sleep on her side. They’re so soft and cozy. She’s been sleeping a full 8-10 hours at night now with her arms free!
Linda E.
First use was for a nap. She slept 2 1/2 hours! This was unusual for her! The night has not been as successful but we are hopeful.
Kasi B.
We absolutely love the nested bean for our 4 month old.
Autumn S.
We use it every night!
Elena M.
We love our gently weighted blanket!! Our baby loves it too. She seems to be sleeping much better than usual. We’re really happy
Tiffany S.
Absolutely love these sleep sacks.
Andrea G.
Didn’t really work for us. Very cute, well made and in theory is a wonderful idea. But my babe didn’t go for it. Tried it for a few days and nothing. Will maybe try again..
Natalie G.
My son wouldn’t sleep through the night and would wake up a bunch now he sleeps through the night and we’re finally getting some sleep too. He’s a tummy sleeper so with it being reversible it’s amazing
Gina P.
Love it
Sarah H.
This is great! Our baby loves it.
Jesse
This is the best sleeper I have tried yet! Just bought more!!
Kristin B.
I’ve always used sleep sacks for my son (swaddle sacks when he was a newborn) and I thought this would help him sleep better through his teething/9 month sleep regression but I haven’t really noticed much of a difference. The quality of the sleep sack is great. I love the material and how it’s designed. I just wish it helped my son sleep better.
Lukas H.
Can’t wait till our baby is older so we can use this product. Looks super soft and comfy. Love the color.
William M.
Excellent product!
Megan V.
Nestedbean is an AMAZING company. A pet ruined 3 of our zen sacks and they sent a free replacement. Customer service is top notch and the product actually works! Better sleep in 1-3 nights with both babies!
Thank you!
Courtney H.
Nested bean is my go-to baby shower gift because our boys LOVED them! We have great belly sleepers and the weight is perfect on their back!
Melissa D.
Absolutely love this sac. My little one definitely sleeps more comfortably. Will be buying a second one. Material is soft and holds up in wash. Two zippers for easy changing which is great! Great addition to our nightly and nap time routine.
Hilary K.
I love nested bean sleep sacks! They are nicely made, and keep my little guy cozy!
Hilary K.
Love nested bean sleep sacks! They are made nicely and keep my little guy cozy!
Ashlynn M.
Fast shipping and great product
Danielle A.
The quality wasn't exactly what I expected, for $40, but it's fine. It didn't improve my baby's sleeping at all. Not too impressed, overall.
Michele H.
I really love these sleep sacks for my little one. She started in the Zen One Classic from about 2 mo to 6 mo, which completely changed her sleep within a few days. Then I purchased the Zen Sack. I really love how soft and cuddly feeling the front is and that it will last her until about 15 mo. It was an easy transition out of the swaddles sack and she can sleep on her stomach safely as well. She only had a minor disruption between sacks and is back to sleeping peacefully.
Gregory W.
It's a high quality product and I'm happy with the way it's made, how it feels, etc. My daughter sleeps in it every night but she's not necessarily sleeping through the night. I've given it about 2 weeks and very little difference in her sleep. It's all good. We tried another weighted sleep sack prior to this with no success so I wasn't expecting much. I wouldn't stop anyone from buying this. If it works for your child then that's awesome! And even if it doesn't work then it's still a high quality sleep sack for your child to sleep in.
Janet R.
Our 6 week old was struggling to stay asleep at night. I'm a huge fan of my weighted blanket so I wanted to give this a try for my girl. She has been sleeping 7 hours straight a night so far! She seems to love it!
olha k.
The best sleeping sack for us. Very good quality, soft cotton, nice color selection to choose from
Davida R.
My 4.5 month old son went from waking every 2-3 hours to sleeping 11 hours straight!
Kourtney S.
Had it for a couple weeks now and haven’t really noticed my daughter sleeping any better than before. I like that’s it’s a nice material and light but was hoping so see more of a difference.
Madison K.
It’s okay! I wouldn’t say that she slept better in 1-3 nights. She still doesn’t sleep through the night like all the other reviews state. She wakes up just as often to nurse back to sleep. I do think she wakes up in the middle of the night more peacefully and isn't immediately bursting into tears. I would buy another but I wouldn’t get your hopes up on the immediate change in sleep behavior!
Alexandria W.
We have used this sleep sack for about 6 months and love it! It's part of our bedtime routine and our daughter knows when we get it out that it's time for bed.
Amanda H.
Highly recommend these sleep sacs! We use them every nap and night for sleep and they keep our babe’s temperature correct through summer and so far through this winter. I’m only having this one babe, so I’ll be gifting these for eternity!
This seems like a crazy review, but for reals; these things are amazing!
Amanda H.
We LOVE these sleep sacs! Seriously, they are amazing. I read recently that they can help with the routine of nap or bedtime and it totally works for our babe. As soon as we put her in it she starts to calm herself down and goes to sleep within an average of 5 minutes, without any fussiness or crying (except on the super rare occasion that’s usually unrelated).
Holly H.
Best baby shower gifts ever. I buy one for everyone expecting
Tanna H.
She loves having her arms out so we struggled to find the right swaddle but once we tried nested bean she slept so well! 5-7 hours a night!
Pandhita P.
It didn’t really work for our baby. His sleeping pattern or duration didn’t change at all since we started using this product. It’s almost two weeks since we started using it…. So I don’t know if this product will ever work for us :(
Sarah F.
We notice an immediate improvement in their sleep patterns when they wear their Zen Sacks!
julia h.
this sleep sack is very soft and cute! however, i’d recommend sizing up if you have a higher percentile baby. I got the medium (6-15mo) for my 10 month old and I know she’ll be too long for it way before 15 months.
Marketa R.
My little one loves Nested Bean sleep sack. We are using it since she was 6 months old and it has improved her sleep quality so much!
Richie K.
We love the zen classic sleep sack! It’s the perfect thickness (not too thick, not too thin) for the weather we have and our temperature controlled home. The weighted part on the chest is perfect as well. Just enough to make her feel like she is still being touched.
Katie E.
We transitioned from full swaddle to the sleep sack and it was so smooth! Our 6 month old LOVES the sleep sack and sleeps great in it.
Val C.
I am so glad I tried the Nested Bean weighted sleep sack. My baby boy was a non-sleeper. He'd get up all night, and this went on for his whole first year. I tried everything, including upgrading to a Newton breathable crib mattress when he was ~6 months old (which I also love) so he could sleep on his tummy (his preferred method), but that alone did not fix the problem. I decided to purchase the Nested Bean because it is reversable, meaning I could put the weighted side on his back. I've tried other weighted sleep sacks, but they were too heavy to put on "backwards", and so heavy in fact, he had trouble standing up in his crib wearing them which was concerning. Nested Bean did the trick! And they're the perfect weight. We saw an improvement once we tried the 6-15 months size, where the little bean sack is a small oval on his back/chest. When we upgraded to the 15-24 months size, where the beans go across his entire back, he sleeps 11+ hours without waking AND I can put him down before he's asleep and he'll calmly fall asleep on his own. We have a summer sack, a classic sack, and a quilted winter sack and we love them all. Great company, and high-quality, thoughtful products. Highly recommend!!! My only regret is not discovering the brand when he was an infant, so I could start swaddling him immediately :)
Natalie P.
This is our third size of the weighted sleep sack. My daughter loves it and we have continued to by her bigger sizes as she grows.
Sharon G.
Well made. Very soft! For my wonderful grandchild, E B R. Thanks for a great product!
Elisa R.
I bought this at a desperate moment around 3:30 in the morning when our six month old wasn’t sleeping well. The reviews are spot on. As soon as this bad boy arrived, we wrapped our little one up and we’ve been on consistent sleep since then! The weight is just right and she loves the freedom of the space. I now need to buy another one for back up.
Gabriella P.
My newborn lasted very few in swaddles, plus she is trying to turn since month one. Ever since we changed to the Nested Bean Sleep Sack she sleeps more comfortable and we fill relieved that she can also move freely.
Cam
My baby was having a hard time transitioning out of the swaddle. I put him in this sleep sack and he slept great all night with his arms free!
Elizabeth R. T.
My son is 12 weeks old and has alot of gas. This did not do the miracle that it has done for alot of others. I have put it on him ever since we got it. It is going to be about 2 weeks now. I can say that he does let me put him down without fussing but he doesn’t sleep for more than maybe 4 hours in it. This is why I gave it an it’s okay because I don’t think it’s horrible, but it hasn’t been the greatest thing ever like most people are commenting here.
Danielle W.
Absolutely love!!!
Brenda P.
We received one of these as a gift when my twins were 5 months old. They've slept with one ever since, they sleep so much better it on! The few times we've forgotten to put it on they seem to toss and turn most of the night. We love ours!
Paige B.
This sleep sack works really well for us. The quality and weight feel really good. The shoulder snaps are a nice addition to the side zip, giving us an extra way to pull him out of it in the morning. I also like that it's reversible for our tummy sleeper. Nothing but good things to say!
jessica b.
It is made well and cute but can't say I see any difference at all in sleep pattern unfortunately
Jacqueline K.
Our daycare had one of these, that he was sleeping all the time, since they can’t swaddle him there. We took it home one weekend, and just knew we had to have one for our home.
Nichole M.
Both my boys started sleeping through the night after we purchased Nested Beans. The older son preferred the footsie pajamas while his little brother preferred the Zen and Classic Sack. I recommend these to all our friends! The weight is just comforting enough to put themselves to sleep and they love lounging in them right before bed. Very soothing and soft fabric.
Natalie L.
I’m not seeing a difference in my sons sleep. We’ve been using for over a week and he’s still sleeping his usual schedule (waking every 3-4 hours). Not sure if it’s just his age (14 weeks). I also find the zipper a little bulky.
Jenieca I.
Love nested bean sleep sacks!! I bought one for my daughter (FTM) when she was around 4-5 months. I swear she slept through the whole night till 7am when I started using it. She's a pretty tall/long girl so she grew out of her original one after a few months and I noticed along with sleep regression she started waking up again at night at least 1-2 times. So I just purchased the 15-24 month sleep sack after her first birthday and she's back to sleeping so well at night! I use it at nap time too and she actually gets some pretty good sleep in during the day now too. Highly recommend
Arunee A.
My son is almost 6 month old and I looking swaddle transition for him and decided to try Nested Bean but it doesn't work for him, he is still wake up 2 time at night:(
Audrey H.
My daughter made the transition from the Merlin Sleep Suit to the Nested Bean Sleep Sacks. She is now almost 6 months old, and is a full on stomach sleeper. There is no stopping her! So the little weighted bean for her back seems to soothe her nicely during naps and overnight. They are comfy, a good price, easily washable, and she will use them for a long time!
Morgan K.
Around 3 months our baby started sleeping through the night on his own. But month 4 when he started teething, his night sleep became all over the place. We also noticed that when we put him down in his crib he would jerk himself awake. The zen sack coupled with making sure he gets a good nursing session in right before bedtime has helped him sleep through the night. And he doesn’t jerk himself awake when we put him down anymore because of that extra weight/comfort from the zen sack. Def recommend!
Brittany R.
I love those sleep sacks! Hands down the best I have ever used with both of my kids. I was having issues with my son sleep at night and after 2 nights with the sleep sack, he slept 6 hours without waking up! I highly recommend this Product.
Aspen S.
Great quality!
Sheri C.
This is a gift for a friend who has yet to have her son but my grandson has a few and they are great.
Megan R.
High Quality materials and well made
Nicole C.
Very nice quality, fits my son well. He hasn’t slept through the night with it but he has sleep longer in his bassinet. Highly recommend!
April F.
Grandson loves his sleep sacs
Tawny S.
Been using since babe was a newborn. She is now 16 months and we use it to keep her from drafts in our camper. 10/10 will use if we have another babe!
Kassie B.
She has been sleeping more then what she was before.
Mirian L.
It is good and nice quality. But my 4 month old baby is sleeping the same schedule than before using it, he is not sleeping more hours …
He is just sleeping 4-5 hours straight …
I wish he gets better sleeping.
Joy J.
He seems to love it. But didn’t sleep the hours it says.
Kaleigha B.
Our son is a tummy sleeper. We love the fact that he can wear the sleep sack by just turning it over to sleep. He sleeps through the night & hardly ever requires a visit from mom or dad.
Elizabeth R.
While I like the sleep sac, I ordered the bigger size bc my LO was growing out of the infant size. The larger size does not have the long silky tag on the outside which is his comfort at night (third kid so you know). I realize removing the tag from the larger size may have been an improvement but I was counting on it for him. Otherwise, I love the brand.
Alison S.
I did not notice any significant improvement in sleep using this sleep sack. But it is a very nice quality and I really enjoy using it! I just do not think it improves infant sleep at all.
Kayla L.
We had the Zen One previously, and we were looking for a new sleep sack now that it's gotten so much colder where we are. Love this! And love the color options.
Mariia K.
Great quality !
Nayara P.
Really like the fabric, the color and the quality.
Colleen M.
My baby can't live without this...seriously. makes him sleep all night lonnnng. Don't walk ...run to buy this. Made out of fab quality and is a must have!
Isadora F.
So good for warmer days. And he still feels safe!!
Dominique B.
Our baby girl sleeps 10-12 hrs a night! We started with the swaddle at 2.5 months and have graduated to the Zen sleep sack now. As soon her sleep sack goes on, she knows it’s bed time!
frankie m.
Great, the material is so soft! Our little one loves it also!! will definitely be purchasing more when he outgrows his size.
Paige H.
Definitely has helped both my boys sleep better at night!
Katie M.
Within 24hrs, my baby girl was sleeping soundly through the night
Veronica O.
My son loves it!
Ashleigh R.
Love our sleep sac!! Our 6 month old sleeps great in it!
Holly S.
I absolutely believe this helps my baby sleep better at night. I didn’t use one with our first and wish we would have.
Abby R.
It’s a functional sleep sack. I can’t say that it’s helped her sleep any better though.
Jennifer R.
My son has been using nested bean since 1 month, I find comfort in knowing I don’t have to put a blanket on him & worry about him being cold or him getting tangled in blanket while sleeping. Invest in your little ones! He also sleeps all night with it 10/10
Karynn M.
Very high quality and fits perfectly. This is our 5th bean and does not disappoint
Erica K.
Our little one did not sleep well at all. We were trying everything! Finally my MIL found this weighted sleep sack and it was a game changer! Once he was out of the swaddle we went with Nested Bean and won’t go back! So glad they have these up to 24 months. Wonderful product, high quality, would recommend for everyone!
Colleen M.
We were struggling to get my 1 year old to sleep past 4 am. I thought maybe he was getting cold and needed some cozy snuggles. These have been the perfect addition to our routine and sleep is going so well!
Avery K.
We love it! We went from sleeping 4 hours to sleeping 7-8 hours!
Brittany P.
Love our sleep sack and nested bean has the best customer service! We ordered the wrong size and they sent us the right one at no charge! So grateful for this to help our little one sleep so mommy & daddy can get some rest & function too :)
Traci H.
Love that it is lighter weight - perfect with a sleeper during winter months! Who does not love a good sleeping babe!
Puja P.
We've been a fan since we bought the 6-15 month sleep sack. Hopefully baby girl doesn't get too tall! The last one only worked til she hit 12 months and then she outgrew it. Very breathable and lightweight and she loves sleeping in it! Only reason for the 4 stars is how long I was able to use it for her.
Brinna C.
My baby has never slept better!! I’m much more at ease knowing my baby is comfortable and happy!
ash
great
Jannette C.
The nestedbean zen sack works wonders!! My baby boy is about to be 3 months next week and this is the first night he has slept over 9 hours Not to mention the sleep sack is super soft and just so cute!
Brenda F.
She sleeps all night.
It’s super easy to change her at night and keeps her warm!
Lauren R.
Love this product
Cameron H.
As soon as I put the Zen One on my 2 week old he instantly went to sleep. Instantly! It was amazing and he loves having his arms by his face, so the fact that he can have his arms out is a plus. I really think he likes the weighted part too, he loves being held. I will definitely be buying more!
Yvonne O.
Our baby loved her sleep sack . It gives her the freedom to move her arms and the comfort she is use to. We chose the winter style and love that it keeps her nice and warm .
Marianni L.
Love it! my 4 month old is going through sleep regression and this was a life saver. Mommy and daddy can now get some sleep and babe sleeps through the night !
Carla K.
Our little girl loves her zen sack! It is so soft and has a good bit of length so she can definitely grow into it. It has enough “weight” for her to have that feeling of our hands on her chest to settle her to sleep but light enough that she has no problem rolling from back to belly or vice versa. Biggest difference I’ve seen is during nap time, it used to be hard to get her to take naps in her crib but now settles pretty quickly. Highly recommend!
Amber W.
We transitioned from swaddle to nested bean at 2.5 months since our little lady likes to sleep on her side. They’re so soft and cozy. She’s been sleeping a full 8-10 hours at night now with her arms free!
Linda E.
First use was for a nap. She slept 2 1/2 hours! This was unusual for her! The night has not been as successful but we are hopeful.
Kasi B.
We absolutely love the nested bean for our 4 month old.
Autumn S.
We use it every night!
Elena M.
We love our gently weighted blanket!! Our baby loves it too. She seems to be sleeping much better than usual. We’re really happy
Tiffany S.
Absolutely love these sleep sacks.
Andrea G.
Didn’t really work for us. Very cute, well made and in theory is a wonderful idea. But my babe didn’t go for it. Tried it for a few days and nothing. Will maybe try again..
Natalie G.
My son wouldn’t sleep through the night and would wake up a bunch now he sleeps through the night and we’re finally getting some sleep too. He’s a tummy sleeper so with it being reversible it’s amazing
Gina P.
Love it
Sarah H.
This is great! Our baby loves it.
Jesse
This is the best sleeper I have tried yet! Just bought more!!
Kristin B.
I’ve always used sleep sacks for my son (swaddle sacks when he was a newborn) and I thought this would help him sleep better through his teething/9 month sleep regression but I haven’t really noticed much of a difference. The quality of the sleep sack is great. I love the material and how it’s designed. I just wish it helped my son sleep better.
Lukas H.
Can’t wait till our baby is older so we can use this product. Looks super soft and comfy. Love the color.
William M.
Excellent product!
Megan V.
Nestedbean is an AMAZING company. A pet ruined 3 of our zen sacks and they sent a free replacement. Customer service is top notch and the product actually works! Better sleep in 1-3 nights with both babies!
Thank you!
Courtney H.
Nested bean is my go-to baby shower gift because our boys LOVED them! We have great belly sleepers and the weight is perfect on their back!
Melissa D.
Absolutely love this sac. My little one definitely sleeps more comfortably. Will be buying a second one. Material is soft and holds up in wash. Two zippers for easy changing which is great! Great addition to our nightly and nap time routine.
Hilary K.
I love nested bean sleep sacks! They are nicely made, and keep my little guy cozy!
Hilary K.
Love nested bean sleep sacks! They are made nicely and keep my little guy cozy!
Ashlynn M.
Fast shipping and great product
Danielle A.
The quality wasn't exactly what I expected, for $40, but it's fine. It didn't improve my baby's sleeping at all. Not too impressed, overall.
Michele H.
I really love these sleep sacks for my little one. She started in the Zen One Classic from about 2 mo to 6 mo, which completely changed her sleep within a few days. Then I purchased the Zen Sack. I really love how soft and cuddly feeling the front is and that it will last her until about 15 mo. It was an easy transition out of the swaddles sack and she can sleep on her stomach safely as well. She only had a minor disruption between sacks and is back to sleeping peacefully.
Gregory W.
It's a high quality product and I'm happy with the way it's made, how it feels, etc. My daughter sleeps in it every night but she's not necessarily sleeping through the night. I've given it about 2 weeks and very little difference in her sleep. It's all good. We tried another weighted sleep sack prior to this with no success so I wasn't expecting much. I wouldn't stop anyone from buying this. If it works for your child then that's awesome! And even if it doesn't work then it's still a high quality sleep sack for your child to sleep in.
Janet R.
Our 6 week old was struggling to stay asleep at night. I'm a huge fan of my weighted blanket so I wanted to give this a try for my girl. She has been sleeping 7 hours straight a night so far! She seems to love it!
olha k.
The best sleeping sack for us. Very good quality, soft cotton, nice color selection to choose from
Davida R.
My 4.5 month old son went from waking every 2-3 hours to sleeping 11 hours straight!
Kourtney S.
Had it for a couple weeks now and haven’t really noticed my daughter sleeping any better than before. I like that’s it’s a nice material and light but was hoping so see more of a difference.
Madison K.
It’s okay! I wouldn’t say that she slept better in 1-3 nights. She still doesn’t sleep through the night like all the other reviews state. She wakes up just as often to nurse back to sleep. I do think she wakes up in the middle of the night more peacefully and isn't immediately bursting into tears. I would buy another but I wouldn’t get your hopes up on the immediate change in sleep behavior!
Alexandria W.
We have used this sleep sack for about 6 months and love it! It's part of our bedtime routine and our daughter knows when we get it out that it's time for bed.
Amanda H.
Highly recommend these sleep sacs! We use them every nap and night for sleep and they keep our babe’s temperature correct through summer and so far through this winter. I’m only having this one babe, so I’ll be gifting these for eternity!
This seems like a crazy review, but for reals; these things are amazing!
Amanda H.
We LOVE these sleep sacs! Seriously, they are amazing. I read recently that they can help with the routine of nap or bedtime and it totally works for our babe. As soon as we put her in it she starts to calm herself down and goes to sleep within an average of 5 minutes, without any fussiness or crying (except on the super rare occasion that’s usually unrelated).
Holly H.
Best baby shower gifts ever. I buy one for everyone expecting
Tanna H.
She loves having her arms out so we struggled to find the right swaddle but once we tried nested bean she slept so well! 5-7 hours a night!
Frequently asked questions
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How much weight is in the Zen Sack® Classic sleep sack?
All Zen Sack feature a built-in Cuddle Pad™, which weighs just 30 grams (Small size) 60 grams (Medium size) and 90 grams (Large size and distributed across the chest). Our baby sleep sacks are safely weighted in key areas as opposed to all-weighted sleep sacks or weighted blankets, which the AAP has deemed unsafe for infants.
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What’s the difference between Nested Bean weighted baby sleep sacks products?
Nested Bean offers a variety of sleep sacks, all of which are designed to calm like your embrace: Zen Sack® Classic, Zen Sack® Premier, Zen Sack® Winter and Zen Sack® Quilted. The difference between our sleep sacks is the fabric used for construction. Zen Sack® Classic is made from 100% breathable cotton, and is perfect for year-round use. Zen Sack® Premier ,made from 70% rayon from bamboo for luxurious softness and 30% cotton for strength, is lightweight for warmer temps. Zen Sack® Winter is made from 100% cotton, with a 2.5 TOG and heavy poly-fiber filling for colder weather. And Zen Sack® Quilted is a cozy transitional sleep sack, for when temps start to drop.
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Are Nested Bean weighted baby sleep sacks safe for babies who roll over?
All Zen Sack® sleep sacks were designed for rollers and tummy sleepers; they help babies get longer, more peaceful sleep through all growth stages. The Small and Medium size sleep sacks have a gently weighted Cuddle Pad™ on the front that is so light and flexible, it nearly flattens when baby rolls to their tummy. The sleep sack can also be reversed and worn backwards for tummy sleepers who roll independently, placing the weighted center on baby's back for uninterrupted comfort all night.
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What is the Cuddle Effect™—and how do Nested Bean sleep sacks trigger it?
The Cuddle Effect is a proven metabolic response that babies experience when they are held, that triggers relaxation and well-being, improves sleep and promotes healthy development. Research on Deep Touch Pressure (DTP) shows that babies experience the Cuddle Effect when they feel gentle pressure in the places you naturally hold them. Nested Bean sleep sacks are designed with gently weighted Cuddle Pads™ that calm like your embrace and trigger the Cuddle Effect for longer sleep.
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When should you start using a Nested Bean sleep sack?
Once babies start rolling, swaddling stops—and it’s time to transition to a baby sleep sack. Only Nested Bean sleep sacks contain Cuddle Pads™ that are gently weighted to ease the transition from swaddle to sleep sack, so babies experience uninterrupted comfort and longer sleep.
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How long does it take Nested Bean sleep sacks to work?
As with all our gently weighted Zen Sleepwear™, most parents report that our baby sleep sacks improve their baby’s sleep in 1 to 3 nights.
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What is TOG—and how does it differ between Nested Bean sleep sacks?
TOG is a measure of thermal insulation. It is a commonly used term the textile industry to indicate how warm clothing is. The higher the TOG in baby sleep sacks, the better thermal insulation it provides and the warmer it is. For example, the Zen Sack® Classic sleep sack has a TOG of 0.5, perfect for year-round use. The bamboo Zen Sack® Premier sleep sack has a TOG of 0.3, for warmer weather. The Zen Sack® Quilted sleep sack has a TOG of 1.0, great as temps begin to fall. And the Zen Sack® Winter sleep sack has a cozy TOG of 2.5, just right for chilly nights.
Put sleep disruptions to bed with the Zen Sack™
Seamlessly transition from swaddling
When rolling starts, swaddling stops—and some babies miss their cozy swaddle. Prevent wakeups with the gently weighted Zen Sack: So soothing, but tummy sleeper safe.
Stop sleep regressions
Rolling, sitting up, teething: New milestones can mean sleep regressions. Add the gently weighted Zen Sack to your sleep routine to help create positive associations with bedtime.
Help baby sleep through the night
Nighttime wakeups? The gently weighted Zen Sack is so comforting, it helps babies self-soothe—so they fall back to sleep on their own.