Sleepea®
5-Second Baby Swaddle

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Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
Sleepea® 5-Second Baby Swaddle
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Sleepea®
5-Second Baby Swaddle

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Size
Quantity
Colour: Rainbow Tie-Dye
  • Click or Press Enter to select the color Rainbow Tie-Dye
  • Click or Press Enter to select the color Blue Tie-Dye
  • Click or Press Enter to select the color Charcoal Stars
  • Click or Press Enter to select the color Charcoal Planets
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  • Click or Press Enter to select the color Ivory Planets
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  • Click or Press Enter to select the color Rose Planets
  • Click or Press Enter to select the color Graphite Stars
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  • Click or Press Enter to select the color Sky Stars
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  • Click or Press Enter to select the color Ivory Strawberries
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  • Click or Press Enter to select the color Ivory Lemons
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  • Click or Press Enter to select the color Ivory Watermelons
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  • Click or Press Enter to select the color Rainbow Tie-Dye
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  • Click or Press Enter to select the color Blue Tie-Dye
  • Click or Press Enter to select the color Blue Tie-Dye
  • Click or Press Enter to select the color Blue Tie-Dye
  • Click or Press Enter to select the color Ivory Pines
  • Click or Press Enter to select the color Sky Stars
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  • Click or Press Enter to select the color Charcoal Stars
  • Click or Press Enter to select the color Teal Planets
  • Click or Press Enter to select the color Rose Planets
  • Click or Press Enter to select the color Graphite Planets
  • Click or Press Enter to select the color Charcoal Planets
  • Click or Press Enter to select the color Midnight Planets
  • Click or Press Enter to select the color Teal Stars
  • Click or Press Enter to select the color Rose Stars
  • Click or Press Enter to select the color Graphite Stars
  • Click or Press Enter to select the color Charcoal Stars
  • Click or Press Enter to select the color Rose Planets
  • Click or Press Enter to select the color Ivory Planets
  • Click or Press Enter to select the color Graphite Planets
  • Click or Press Enter to select the color Charcoal Planets
  • Click or Press Enter to select the color Midnight Planets
  • Click or Press Enter to select the color Teal Stars
  • Click or Press Enter to select the color Rose Stars
  • Click or Press Enter to select the color Graphite Stars
  • Click or Press Enter to select the color Charcoal Stars
  • Click or Press Enter to select the color Ivory Planets
  • Click or Press Enter to select the color Graphite Planets
  • Click or Press Enter to select the color Charcoal Planets
  • Click or Press Enter to select the color Midnight Planets
  • Click or Press Enter to select the color Ivory Planets
  • Click or Press Enter to select the color Sky Stars

Looking for a sack to use in SNOO? Shop our SNOO Sacks.

Products ship within 2 business days of your order date. Please allow an extra 3 business days for your order to arrive.

Details
Care
Size Guide

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a snug wrap...every time. And because Sleepea was created by renowned paediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind!

Machine wash in cool or cold water with like colours. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results!

Please Note: Before putting Sleepea in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load.

Small: 2-5 kg
Medium: 5-8 kg
Large: 8-12 kg
Extra-Large: 12-15 kg

Sleepea® 5-Second Baby Swaddle

We lost sleep over creating the best baby swaddle so parents don't have to!

Sleepea is the ultra-soft, simple-to-use swaddle that helps babies sleep better and happier. Our patented 5-Second Swaddle design makes safely wrapping your lovebug as stress-free as can be!

Because Sleepea is made with soft organic cotton and breathable mesh panels, you can rest assured that your little one will not only sleep comfortably all night long (no matter the season), but they will snooze safely, too. After all, Sleepea was designed by renowned paediatrician Dr. Harvey Karp, the world’s leading swaddling expert.

Sleepea’s inner flaps give babies the womb-like embrace they love while keeping even mini escape artists snugly wrapped and preventing the wild arm movements and nose whacks that can startle them awake. And, unlike most baby swaddles, Sleepea allows for safe arms-out swaddling, making it the perfect transitional swaddle for babies that are almost ready to wave bye-bye to their swaddling days.

For the first 6 months of life, babies should always be placed to sleep on the back. If your baby can roll, you should stop swaddling the arms. That is because babies need to be able to push up in case they roll to the stomach and the face is pressing against the mattress. (Always consult your baby’s healthcare provider for their advice.)

Please note: To create a continuous groovy design, we made our Tie-Dye Sleepea without mesh panels. (That gives you more of our super-soft, all-seasons 100% organic cotton!) Every Tie-Dye Sleepea is hand-dipped, meaning the designs may vary slightly...making each piece (almost) as unique as your sweet baby!

Swaddling With Sleepea is Easy-Peasy!

How to Use Happiest Baby’s Sleepea® 5-Second Baby Swaddle

Why Parents Love Sleepea® 5-Second Baby Swaddle

100% Organic Cotton

Soft, GOTS certified, breathable cotton is gentle on Baby's skin

Snug Inner Flaps

Special inner arm bands and leg flap keep Baby snug all night

Breathable Mesh

All-seasons design keeps Baby cool & comfy

Arms-Out Transition

Snaps at shoulders let you swaddle with one or both arms out

Speedy Two-Way Zip

Opens from top or bottom for smoother nappy changes

Machine Washable

Cool or cold water with like colours, tumble dry low

Every Detail Designed by America’s Top Pediatrician

Not only does swaddling mimic the snug embrace that sleeping babies love in the womb, it also prevents wild hand movement that can startle little ones awake, keeping your baby safe, happy, and well-rested all night long.

The Award-Winning Swaddle Everyone Is Talking About

Top American Awards

Best Baby Swaddle

Cribsie New Arrivals Award

Best of Baby:
"Winner for Top Swaddle"

JPMA Innovation Finalist

Babylist Fresh Find

Best Easy Swaddle

Best Swaddle for Newborns

Best Baby Swaddle

Best Basic Swaddle

Swaddle Best Seller

Why Sleepea 5-Second Swaddle?

Swaddling gives your baby the snug embrace they loved in the womb while preventing arm flailing and nose whacks to keep babies snoozing happier and better. Sleepea 5-Second Swaddle is an all-seasons wrap that keeps babies cool & comfy with a Thermal Overall Grade (TOG) rating of 0.5.

Sleepea Swaddle

Chart Comparison of a Sleepea Swaddle<br><br>

Sleepea Comforter
Swaddle

Chart Comparison of a Sleepea Comforter<br>Swaddle
100% organic cotton
100% organic cotton
100% organic cotton
Insulated cotton for extra warmth
Insulated cotton
Insulated cotton
Breathable mesh
Breathable mesh
Breathable mesh
Double zip
Double zip
Double zip
Side zip for easy layering
Side zip
Side zip
Paediatrician-designed
Paediatrician-designed
Paediatrician-designed
Snug inner flaps
Snug inner flaps
Snug inner flaps
Machine washable
Machine washable
Machine washable
Extra-quiet adjustable fastener
Extra-quiet adjustable fastener
Extra-quiet adjustable fastener
Snaps for arms out
Snaps for arms out
Snaps for arms out
Sizes
S, M, L, XL
S, M, L, XL
TOG rating
0.5 TOG
(0.8 TOG for Tie-Dye)
2.0 TOG

Sleepea® 5-Second Baby Swaddle FAQs

What is a baby swaddle sack?
A sleep sack is, essentially, a wearable blanket. And a swaddle is a lightweight square blanket used to wrap an infant. But a swaddle sack is an amazing combination of the two! Here, you get the ease of zip-up sack, plus the cosy hug of a swaddle that infants crave. (Swaddling is an integral part of Dr. Harvey Karp’s 5 S’s for soothing babies.) Our award-winning, paediatrician-designed Sleepea swaddle sack features breathable organic cotton, an easy-peasy two-way zip, patented escape-proof inner bands…and ingenious shoulder snaps to allow for arms-out snoozing. Unlike other swaddle sacks, Sleepea’s innovative snaps make it so even rolling babies can continue wearing Sleepea! Once babies show signs of rolling, arms-down swaddling must stop. However, if your baby is rolling—and 12 kilograms or less—they can remain in Sleepea with BOTH arms out!

Do swaddle sleep sacks work?
Yes! In fact, zipper swaddle sleep sacks work better than traditional swaddles because there is virtually no room for error…and they are far easier to use, especially when half-awake at 2am! With the Sleepea 5-Second Swaddle, there are no origami folds, zero intricate tucking, and you do not need to cross your fingers hoping nothing unravels…which could be super risky. And you can rest assured that you are not sacrificing quality for ease-of-use. Sleepea’s patented inner bands offer the same sleep-inducing womb-like hug babies have always loved with traditional swaddles.

How do you use an infant swaddle sack?
Sleepea is so easy to use we call it the 5-second swaddle! Simply place your little one on your unzipped Sleepea with their shoulders about 5 centimetres above the neckline. Pull one band across Baby’s straightened arm and chest and secure it—and then the other. Then bring the leg flap up between your baby’s legs, attach it to the already-secured arm bands. Finally, zip Sleepea all the way up and get ready for sweet dreams! It is no wonder Babylist named Sleepea the Best Easy Swaddle!

What are the benefits of sleep swaddles sacks?
Swaddle sacks not only help to activate your little one’s inborn calming reflex, which is their natural ‘off switch’ for fussing and ‘on switch’ for sleep…swaddle sacks are significantly easier to use than a traditional swaddle blanket. With our Sleepea 5-Second swaddle, once you follow the easy-peasy directions, you know that your baby’s swaddle will always be snug, it will always be hip-friendly, and it will always keep your bub cool and comfy. There is never a chance of unraveling or accidentally wrapping your baby too tight or too loose! Plus, Sleepea takes all of the stress out of trying to unswaddle and re-swaddle during middle-of-the-night nappy changes.

Should I get a baby swaddle with a zip closure?
If you’re looking to take all of the guesswork out of swaddling, then a ready-made baby swaddle with an easy-to-use zip is for you! While there are several to choose from, the award-winning Sleepea has proven time and again to be a parent and reviewer favourite. (The New York Times, Romper, The Bump, Healthline, and more have all awarded Sleepea top swaddle honours!) Part of the reason: Our ultra-breathable organic cotton Sleepea swaddle features extra-quiet adjustable fastener and a smooth double zip that help to prevent light sleepers from startling awake. Plus, Sleepea features patented inner arm bands and leg flap, which work together to create a super-safe, secure, escape-resistant swaddle that babies adore.

Why do babies like sleeping swaddle sacks?
Swaddling is an integral part of Dr. Harvey Karp’s 5 S’s for soothing babies. The comforting womb-like embrace of a swaddle helps to activate Baby’s innate calming reflex, which is their built-in ‘off switch’ for fussing and ‘on switch’ for sleep. In fact, swaddled babies are able to respond faster to the other four S’s (shushing, swinging, sucking, and holding baby in the side-stomach position)—and stay soothed longer because their arms cannot wriggle around and bonk them in the face!

Is it better to use a sleep swaddle sack with arms in or out?

Choosing to swaddle your little one with their arms in or out depends on how old your baby is. If you have got a young baby, arms-in swaddling is a game-changer for quality sleep. The snug arms-in swaddle best replicates the womb experience, helping to activate Baby’s innate calming reflex that quells fussing and brings on sleep. That said, some babies start to get ready for arms-out around 3 to 4 months. (Before then, little ones simply do not have enough motor control over their arms, so they have a tendency to bonk themselves awake a lot.)

If your baby wakes themselves up when their arms are free, they are just not ready to transition yet…and that is okay! You want to make sure you go at your baby’s pace. The BIG caveat: If your baby is rolling, you must stop arms-in swaddling immediately. However, if your rolling baby is in Sleepea, you can be comfortable continuing to use it as long as your bub has BOTH arms out—and weighs 12 kilograms or less.


Is the Sleepea baby swaddle good for transitioning babies with arms in and out?

Yes! Sleepea is uniquely designed to make weaning from the swaddle easy-peasy. That is because Sleepea features innovative snaps on each shoulder that allow you to gently pull your baby’s arm through for arms-out sleeping. When you are ready to transition to arms-out swaddling, it is best to start with the side your baby favours the most. (Once your baby sleeps well for a few nights with one arm free, you can then let their other arm out.)

Remember, once your baby starts trying to roll over, you need to stop swaddling with both arms down right away, just as the National Childbirth Trust (NCT) recommends. However, even a rolling baby can continue sleeping safely their Sleepea as long as BOTH arms are out until they are 12 kilograms or less.


How easy is it to use the zip on the Sleepea baby swaddle?
Sleepea’s smooth-slide two-way zip opens from top or bottom making it easier than ever to get your bub in and out of their swaddle quickly and effortlessly. In fact, Forbes recently named Sleepea the Best Swaddle For Newborns, noting that our zip-and-inner-flap design is ‘built for speed’ and a ‘cinch to put on.’

Is the Sleepea baby swaddle sack breathable?
Yes! Sleepea’s all-seasons design—complete with 100% breathable organic cotton and mesh panels at Baby’s shoulders and legs—keep little ones cool and comfy all sleep long.

How effective is the Sleepea baby swaddle? And is it easy for my baby to escape?
Our innovative Sleepea swaddle is super effective! In fact, The New York Times even awarded our Happiest Baby swaddle top spot as The Best Baby Swaddle. Sleepea’s ingenious inner arm and leg bands offer babies the womb-like embrace they love, all while effectively (and gently) averting swaddle escape attempts—and wild arm movements and nose whacks that can startle little ones awake.

Customer Reviews

Based on 590 reviews
63%
(370)
11%
(64)
10%
(57)
8%
(47)
9%
(52)
L
Laura
Magic sleeping bag!

So so glad I bought this! My newborn started sleeping 8 hours solid when started using it. So grateful!

Hi Laura,

We love hearing that Sleepea works its swaddle magic on your bub for solid sleep all night!

Cheers,

Jess from the Happiest Baby Team

M
MrsP
Best swaddle

If only I’d known about these before baby was born, we used the standard newborn ones you can get anywhere which were outgrew quickly and baby could escape them.
So glad I found these when on the hunt for larger sized swaddles because they are amazing!
They’re so easy that even my husband can do them up without any bother.
The zipper has 2 zips making nappy changes easy as you can open from the bottom without taking baby out completely. We love the space/planets design and that they’re made from soft material, the mesh parts keep them breathable so we don’t need to worry about over heating. We also love that there’s no way baby can slip down inside the bag because of the crotch strap meaning there’s less worry for us there too!
I just wish I’d brought larger sizes at the same time as ordering the medium ones because we will definitely be needing them as our very jumpy baby grows, it’s the only way he will sleep without waking himself up.

Hi there,

It's so wonderful to hear that Sleepea is your favorite for swaddling your little Houdini baby for restful sleep. Our team put lots of thought into the design making sure it was easy for parents and safe & comfortable for little ones. We're excited to have your little guy grow with Sleepea!

Best,

Jess from the Happiest Baby Team

E
Emily B
A great buy!

Love this swaddle! I was using a blanket, but this is so much easier!

Hi Emily,

Love to hear Sleepea makes swaddling a breeze!

Cheers,

Jess from the Happiest Baby Team

F
Fay H
Happy but sizes need to be truer to form.

Light and a snug fit. Only thing is large does not match description of being suitable for 8-12kgs.

Hi Fay,

Thank you for sharing! Our Sleepea sizing is based on baby's body weight & we'd be happy to check the fit for your little one's comfort. Please contact us at customercare-eu@happiestbaby.com.

Best,

Jess from the Happiest Baby Team

R
Roqaiah
Color

I bought the wait color one and you bring the dark blue one

Dear Roqaiah,

We're sorry for any confusion. We see that the Midnight Planets Sleepea was the color selected. Please contact our team at customercare-eu@happiestbaby.com if you have any questions.

Sincerely,

Jess from the Happiest Baby Team