New Happiest Baby Sleepea 5-Second Swaddle product image (primary)
Front-facing product image of a gray, hourglass (peanut)-shaped baby swaddle / wearable blanket. The swaddle has a central front zipper with a small snap at the neckline, mesh/textured panels at the upper shoulders and midsection, and scattered white circular motifs (moon- or droplet-like) printed across the fabric. The item is displayed against a plain white background.

Happiest Baby

Happiest Baby Sleepea 5-Second Swaddle — Medium, Graphite Planets | 100% Organic Cotton, 2‑Way Zipper

4.24/5 (1,291)
$21.99$29.95-27%
In Stock

The Sleepea® 5-Second Baby Swaddle is a pediatrician-designed baby swaddle sleep sack that secures an infant in a snug, womb-like wrap to reduce startle reflexes and to function as a transitional arms‑out sleep sack. Made from 100% GOTS‑certified organic cotton with breathable mesh panels at the shoulders and legs (TOG 0.5), it includes secure inner arm bands and a leg flap, extra‑quiet Velcro, shoulder snaps to allow arms‑out, and a two‑way zipper (opens top or bottom) for diaper changes; the design carries the International Hip Dysplasia Institute endorsement.

Color
Charcoal Stars
Material
100% Organic GOTS cotton
Style
convertible, a-line
Category
Baby & Toddler > Swaddling & Receiving Blankets > Swaddling Blankets

Color

Graphite Planets

Size

Medium
GTIN
817720023031
MPN
HAPPIESTBABY-817720023031-NEWOVERSTOCK

Specifications

Award-winning 5-Second Swaddle made from 100% organic GOTS cotton that simplifies swaddling with secure inner bands, breathable mesh, shoulder snaps for arms-out transition, and a two-way zipper for easy diaper changes.

100% organic GOTS cotton; breathable mesh panels; secure inner arm bands and leg flap; shoulder snaps for arms-out transition (not on X-Small); two-way/double zipper for top or bottom access; quiet adjustable fastener; TOG 0.5 (all-seasons).

Color
Charcoal Stars · gray
Material
100% Organic GOTS cotton
Style
convertible, a-line
Occasion
sleepwear, everyday
Gender
unisex
Age Group
infant
Condition
new
Category
Baby & Toddler > Swaddling & Receiving Blankets > Swaddling Blankets

Additional Attributes

  • Award-winning
  • 100% organic cotton
  • GOTS-certified
  • Soft, breathable cotton
  • Breathable mesh panels (all-seasons design)
  • Secure inner bands
  • Special inner arm bands and leg flap keep Baby snug all night
  • Arms-Out Transition with snaps at shoulders
  • X-Small Sleepea does not have snaps at the shoulders
  • Speedy two-way zipper (opens from top or bottom) for smoother diaper changes
  • Double-zipper
  • Quiet adjustable fastener
  • Machine washable
  • Care instructions: Cool or cold water with like colors, tumble dry low
  • Thermal Overall Grade (TOG) rating of 0.5
  • Prevents wild hand movements that can startle little ones awake
  • Mimics the snug embrace of the womb
  • Tie-Dye Sleepea has no mesh panels; Tie-Dye pieces are hand-dipped so designs may vary
  • Created by Dr Harvey Karp; designed with baby safety in mind

Shipping & Returns

Pickup
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Image Analysis

6 images
New Happiest Baby Sleepea 5-Second Swaddle product image (primary)
01high

Front-facing product image of a gray, hourglass (peanut)-shaped baby swaddle / wearable blanket. The swaddle has a central front zipper with a small snap at the neckline, mesh/textured panels at the upper shoulders and midsection, and scattered white circular motifs (moon- or droplet-like) printed across the fabric. The item is displayed against a plain white background.

OCR: null
baby swaddle / infant wearable blankethourglass / peanut shaped garmentfront central zipperzipper pullsnap or button at necklineshort shoulder areamesh / textured fabric panels (upper and mid sections)heather knit fabriccircular print motifs (moon/water droplet-like)seam lines / stitchingsmall side tagplain white backgroundproduct studio shot
New Happiest Baby Sleepea 5-Second Swaddle product image 2
02high

A seated adult woman holds an infant in her arms on a couch. The baby wears a gray sleep sack with white polka dots and a pacifier; the woman wears a black tank top, a thin necklace, and stacked rings and is smiling while looking at the baby. A light-colored throw pillow and neutral wall are visible in the background.

OCR: null
adult woman (seated)baby/infantsofa/couchthrow pillowpacifierbaby sleep sack/onesie with polka dot patternblack tank top / camisolenecklace (thin chain)rings (stacked/engagement and wedding ring)painted fingernails (white)long wavy hairmesh panel on baby sleep sackzipper on baby clothinglight colored wall/backgroundintimate/affectionate interaction (woman looking and smiling at baby)
New Happiest Baby Sleepea 5-Second Swaddle product image 3
03high

A smiling infant lies on a white sheet wearing a light gray wearable sleep garment. Blue/teal callout text and arrow lines point to garment features: breathable mesh, arms in or out (snaps), quiet Velcro, and a two-way zipper. Cloud graphics appear in the image corners.

OCR: Arms in or out Snaps let babies sleep with one or both arms free Two-way zipper For easy diaper changes Breathable mesh Keeps babies cool and comfy Quiet Velcro So light sleepers don't startle awake
baby (infant) lying on back, smilingbaby sleep sack / wearable blanket / swaddle-like sleep garmentbreathable mesh panels on garmenttwo-way zipper on garment (visible along center/leg area)quiet Velcro closure area (chest/shoulder region)snaps for arms (arm openings)white bed sheet or soft beddingblue/teal annotation text and arrows pointing to featuresarrow lines/feature calloutscloud graphic accents (top-right and bottom-left corners)small white speckle/star print on grey fabricbaby's visible limbs (arms, hands, legs, feet)soft, diffuse lighting
New Happiest Baby Sleepea 5-Second Swaddle product image 4
04high

Top-down photo of a smiling infant lying on a chunky, charcoal-gray knitted blanket. The baby wears a medium-gray sleeveless wearable blanket/sleep sack with small white circular motifs and a darker mesh lower panel; hands are clasped on the chest and the baby looks upward toward the camera.

infant/baby lying on backsmiling expressioneyes open (light-colored)head and face visibleclasped hands over chestarms bent at elbowssleeveless baby wearable blanket / sleep sackzipper or central seam down front of sleep sacksmall white circular/planet-like printed motifs on sleep sackdarker mesh-like panel on lower portion of sleep sackchunky braided/knitted blanket/throw as backgroundtextured woven surface (large knit stitches)top-down / overhead perspectivesoft, diffuse indoor lighting
New Happiest Baby Sleepea 5-Second Swaddle product image 5
05high

A woman seated in a light beige wingback armchair holds a baby in her lap. The woman wears a light-colored dress and looks down smiling at the baby. The baby faces the camera and is swaddled in a light gray sleep sack decorated with silver circular accents. The scene is softly lit with a bright, neutral background.

OCR: null
adult woman (sitting)infant/baby (held in lap)upholstered wingback armchairlight-colored long dress (worn by woman)baby sleep sack/swaddle (zip/snap closure)silver/reflective circular accents on sleep sackwoman's long brown hairbaby with light-colored hair and light eyeswoman looking down and smiling at babybaby looking toward camerasoft, high-key interior lighting (bright background)woman's hands cradling babypossibly a ring on woman's left handneutral home decor (minimal visible background)woven basket or small storage item partially visible at lower right
New Happiest Baby Sleepea 5-Second Swaddle product image 6
06high

A simple infographic-style size guide titled "Sleepea Size Guide" on a light blue background. It lists three size categories—Small (5-12lbs), Medium (12-18lbs), Large (18-26lbs)—with the size labels in teal and weights in dark gray. A red/coral note at the bottom warns that Sleepeas are not for use inside SNOO.

OCR: Sleepea Size Guide Small: 5-12lbs Medium: 12-18lbs Large: 18-26lbs NOTE: Sleepeas are NOT for use inside SNOO.
Header text "Sleepea Size Guide"Size category labels: "Small:", "Medium:", "Large:"Weight ranges: "5-12lbs", "12-18lbs", "18-26lbs"Bottom note: "NOTE: Sleepeas are NOT for use inside SNOO."Light blue/turquoise background panelWhite bottom strip (separating note)Teal/aqua colored size words (Small/Medium/Large)Dark gray/charcoal colored header and weight numbersCentered, vertically stacked infographic layoutSans-serif style typographyNo people, no photographed objects — graphic/illustration style

Customer Reviews

1,291 total
4.24

1,291 reviews · out of 5

Snug swaddle

Monica Bassett

This swaddle snugs my baby just right and is Soo easy to use. Love it going to buy two more 😁

Sleep sack

Haley Upchurch

This sleep sack is perfect for my baby! The Velcro straps are wonderful and make for an easy wear. My baby sleeps at least 8 hour stretches since I bought this when he was 6 weeks old!

Exceptional Swaddle

Fran

Gave it as a gift — the baby loves being in it — the family loves the calming and soothing effect the swaddle offers. Easy to use and was so appreciated! It’s lovely when a gift is helpful and is loved too! Highly recommend!

Game changer, life saver

RF

This was the last swaddle we ever bought (well, we got a few in different colors) after a long unsuccessful journey of other styles/brands. Our baby monster would hulk out of everything we got and would wake themself up from it every night like clockwork. These swaddles are the easiest to put on, baby loves them, and stays in and asleep more consistently. They’re also easy to clean (I recommend velcro-ing them as if baby were wearing so they don’t stick to other items in the wash) and the 2-way zipper makes diaper changes less of a hassle. 5 stars, will buy again!

Best sleep sack

Nicholas Boles

Hands down the best sleep sack out we have tried. I’ve tried at least 10 different brands, Halo and Love to Dream were my previous favorites, but this one takes the cake. My two-month-old twin girls sleep better every single time they wear these. Easy 10/10. Wouldn’t waste money on anything else

Love love love!!

Flip flop tans

We are big fans of the SNOO from having our first, and someone accidentally gifted us one of these swaddles thinking it was specifically for the SNOO. We ended up taking it to the hospital — and quickly wished we had brought more. When we had twins a year later, this swaddle was at the top of our hospital packing list. It’s easy to use, works great, and was incredibly helpful during those early newborn days. Now it’s my go-to gift anytime I need a newborn present. Highly recommend!

Ashley Collins

Quick and easy to use!

Victoria

Cute

Victoria

Cute

This is it!

Julia Erickson

Buy it! We are getting much more sleep because of it! Thank you Happiest Baby

Our favorite swaddle

Samantha Elgut

We love the Sleepea so much! Very comfortable and easy to use. Helps our baby sleep comfortably.

Current favorite

Hanna

So far this is our newborn‘s favorite swaddle! She tolerates it well at night and allows us to get a couple hours of Sleep at a time.

Best Swaddle!

Satisfied Momma

This swaddle worked perfectly once our newborn started to get strong enough to fight the muslin blankets! It kept her contained and her startle at bay until she started to roll. She slept through the night easily in these.

Best swaddle

KatelynT

This is the only swaddle you need. We were frustrated with the more traditional Velcro swaddles either coming loose, inching up, or being too tight in the hips. After trying many brands, we found the sleepea and it is all we use now. It’s simply to put on at night after changes, is light and breathable, and most importantly, secure. I don’t go to sleep worrying about my baby pulling this loose.

Our favorite swaddle!

DM

We tried 3 different brands/styles of swaddles for our newborn. This is the only one that he didn’t fight, so we bought several more to rotate through. We used size medium from the start. It’s very easy to use, especially managing it during nighttime feedings!

Saved our sleep

Samantha Oh

Our baby broke through ever swaddle. This swaddle saved our sleep. Since 5 weeks old she’s been sleeping 9pm - 7am. Don’t event think about it just buy it.

The best swaddle ever!

Savina Bachers

We tried a whole lot of different swaddles and nothing worked quite as well as this one. Our baby sleeps in it without a peep all night.

Sarah

I have only used it one night so far so take this with a grain of salt, but WOW! Last night was a struggle getting him to sleep. Waking IMMEDIATELY after putting him in the bassinet. Opened my Sleepea swaddle that had arrived just hadnt bothered to unbox. Washed it and used it. Y’all….my velcro baby slept over 4 hours the first stretch. Usually sleeps 2-3+ hours in the first stretch. He woke to nurse briefly and change diaper, swaddled up again and slept another 2+ hours. Took Dr Karp’s advice also about laying him down when he was sleepy, not asleep. Ordering another swaddle in case this one gets dirty.

Adam

Bought 1 to trial for my newborn. As a first time dad, this is one of the best purchases we’ve made so far. Easy to use and my son seems prefer it to other swaddles. Great product. Will be buying more.

kalisa dixon

Love it

Anne

I love it

Anne

I love it

Our #1 baby purchase of all time

CAB

My husband says “swaddling with receiving blankets is an outdated technology and should be eliminated.”! This swaddle is so much safer than our other swaddle with external wing flaps. We have had six babies and now on our 7th child we finally get to enjoy a superior product. Our baby loves it and it helps baby fall asleep!! Best money I’ve spent this year. Bought 2 more already for a friend. Especially like having a lightweight version for daily use as baby wears warm sleepers all day and we do not want baby to overheat. We own comforter and lightweight versions. NOTE: our baby was in size medium by 9 lbs or so. Still in medium at 12 lbs.

Worked Great for Our 3-4 Month Old!

Emmanuel Hamgeri

Had challenges with other swaddles this one did the trick and is still working, he's 4 months now.

This is the best swaddle

Daena Anzalone

We had the Aden and anais swaddles and they sucked. We needed something that would last and was simple. This is it! We keep our room at 65° and use the comforter swaddle for that. The tie dye swaddle is .8 tog and great for warmer rooms. It’s honestly so easy to swaddle. My babe is in a size medium right now and it fits great. She’s growing and will be in a large once 18 pounds. She is able to now get her arms out, at 4 months and 14 pounds. When washing we keep the Velcro together so other things don’t get stuck to it and it dries easier. We wash this every couple weeks unless it gets spit up on it. The price is definitely justified with the ease of it, the fact it stays on and in place, and the longevity. Also they are cute designs!

Snuggly and easy

Alicia

This swaddle is super easy to use and extremely cozy. Baby sleep great when snuggled up in this swaddle. Also, the sizes seem to run a little small. My baby fit great in a size medium starting around 9 lbs.

A Total Win

Stephanie Schroeder

We had to stop traditional blanket swaddling when our LO kept squirming out of it around 6 weeks. This was the *only* other swaddle that worked for us—and it really does only take 5-seconds! My only regret is that we didn’t start using it sooner, because he is turning three months soon and we’re going to have to quickly wean him out of it because he’s starting to show signs of rolling. And while he’ll sometimes wiggle his arm out of one side (he’s very determined!), usually if we just tighten up the internal wrap, he will stay nicely bundled all night long. I also do think the weight range is real tight towards the end—he was like a stuffed sausage in a small and was about a pound under the weight limit. Anyway… Just a few things to consider, but overall, we are incredibly happy.

Perfect swaddle!

Paige Rodriguez

This is the perfect swaddle! After seeing the halo swaddle bunch up over my baby’s face one night I had to find another solution. This swaddle is just that, no loud Velcro, so easy to use and my baby loves it! I love that it’s breathable and I don’t have to worry about her being too hot like I did with her previous halo swaddles. I wish I had found it sooner and recommend it to all my mom friends! It’s very high quality and holds up well even with daily washes. I bought two more immediately!

Such a big help

Lauren Fisher

So cute and soft and big help with getting baby to get restful sleep.

Best swaddle by far!

Nicole Wizel

Only one my baby couldn’t escape! This is the only swaddle you will need, it is fool proof.