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"The first night using this my 4-month-old went from sleeping 3 hours to a full 8!" -Lauren M.
Read more ReviewsNewborn Sack Bundle
15% Off
$ 89.00
Regular price
$ 105.00
The Zen Sleepwear is a safer option to loose sleep accessories. Its Cuddle Pad™
is designed to mimic the gentle feel of your hand as baby sleeps soundly in its soft fabric.
- Cuddle-pad mimics your touch
- Grows with your baby
- Improves sleep in a few nights*
Nested Bean
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On Sale
Christal H.
This is my third sac! .. my baby sleeps so well! We forgot it once on our trip and never made that mistake again!
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Colby L.
It has been such a smooth transition (from Merlin) and he has continued to sleep through the night!
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Alexa N.
Before getting this sleep sack baby girl really struggled when being put in her bassinet. (Now) she is no longer restless at night and sleeps much longer.
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Jennie J.
My baby always sleeps better when my hand is on her chest, so having the area weighted where my hand would be has been so helpful!
Read reviewThe Zen Sleepwear is a safer option to loose sleep accessories. Its
Cuddle Pad™ is designed to mimic the gentle feel of your hand as baby sleeps soundly in its soft fabric.
- Cuddle-pad mimics your touch
- Grows with your baby
- Improves sleep in a few nights*
- Mimics your touch to help baby self-soothe and sleep sounder
- Adjustable shoulder snaps for a custom fit as baby grows
- Side zipper makes changing easy without waking baby
- Two-way zipper makes diaper changing easy without undressing
- Gently eases transition from swaddling
- Designed for babies from 0 to 24 months
All are machine washable (cold cycle) and dryer safe (low heat)
- Made from 100% breathable cotton, poly-fill, food-grade polypropylene beads
- TOG 1.0, ideal for year-round comfort
- Machine washable (cold cycle) & dryer safe (low heat)
- Lightly padded to mimic the warmth of your touch
- Applies gentle pressure no more than a human palm or car-seat chest clip
- Passes mandatory children's product tests
- Designed for tummy sleepers when rolling independently
- Hip healthy. Does not hinder mobility
- Will it really improve my baby’s sleep?
Many of our parents report they and their little ones improved their sleep within 1 to 3 nights. Longer stretches and fewer wakeups. - How is it different from regular swaddles or sleep sacks?
The Zen Sleepwear is the only sleep sleepwear with a patented Cuddle Pad™ that mimics your gentle touch. It’s designed to make sleep feel familiar and comforting especially for babies transitioning out of the swaddle or experiencing restlessness during growth spurts. - Can my baby wear this if they roll?
Never place a baby to sleep on their stomach when they cannot roll independently. For babies who have passed the milestone, the Cuddle Pad™ has not been found uncomfortable for rolling babies. - Could it cause overheating?
The Classic fabric is 100% cotton, ~1.0 TOG, best for ~50–80 °F room temps
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60-Day returns
Newborn Sack Bundle
$ 89.00
Regular price
$ 105.00
15% Off
Parent-approved tips for every little sleeper
Creates sleep cues for your newborn. The perfect transition from womb to world.
Ever had to run to your baby's crib just to pat her back to sleep? The Zen Sack could be the solution.
Tired of premature night wakings? Listen how this mom solved it with the Zen Sack.
The Zen Sack is helping this work from home mom get things done
Crush your sleep goals with the Zen Sack!!
Perfectly Calibrated
Designed with expert guidance. The Cuddle Pad is gently placed to mimic your touch for babies 7 lbs and up.
Trusted by Millions
Beloved by over 2.5 million families
Grows With Baby
Fits from 0–24 months with adjustable snaps and a roomy design that supports movement and development.
Babies Change Fast. Your Sleepwear Doesn’t Have To.
Benefits for parents
Benefits for babies
Frequently Bought Together
Good sleep runs in the family.
Contact Us
Reach out to us by email and messenger. We’re always happy to answer any questions you may have.
All About Nested Bean Zen Sleep Sack for Newborns
The Zen Weighted Sleep Sack is machine washable, made from 100% breathable cotton, and designed to self-soothe newborns by helping with sound sleep. Read More
The Zen Weighted Sleep Sack is machine washable, made from 100% breathable cotton, and designed to self-soothe newborns by helping with sound sleep. The Nested Bean Weighted Sleep Sack Classic is a gently weighted breathable baby sleep sack that calms by providing comforting pressure where babies are naturally held.
This secure feeling eases the swaddle transition, encouraging self-soothing and helping babies sleep through disruptions, leading to deeper periods of sleep that are essential for healthy development. This premium newborn sleepwear provides the perfect transition from swaddling to independent sleep.
Safer than loose blankets in your baby's crib, this weighted sleep sack is perfect for babies up to 24 months.
Unlike traditional newborn clothes, this specialized sleepwear for newborn babies is designed specifically for safe overnight sleep.
- Made with 100% bamboo cotton fabric
Incredibly soft and breathable but cozy enough to keep baby warm, the Zen Sleep Sack Classic wearable blanket has a TOG rating of 0.5 for year-round comfort. This newborn sleepwear maintains the perfect temperature for comfortable sleep.
Sizes Available: Small (0-6M) newborn sleep sack; Medium (6-15M); Large (15-24M). See product images to learn more.
- Perfect for tummy sleepers
The Zen Sack Weighted Sleep Sack wearable blanket is reversible and can be worn backward - perfect for babies who roll independently. This sleepwear for newborn adapts to all sleep positions.
- Safely calms with only a few ounces
Designed in line with research from human factors safety experts and pediatric pulmonologists, this weighted sleep sack is safely weighted only where babies need it, not where they don't. The Nested Bean Weighted Sleep Sack has been rigorously tested and is scientifically backed by a recent university-led weight safety study.
- Special features
Unlike a standard baby sleep sack or traditional newborn onesie, the Zen Sleep Sack features gently weighted Cuddle Pad™ technology that soothes like your touch. Adjustable snaps grow with your baby, and a top-quality 2-way zipper ensures easy changes.
- Trusted by over 2 million families
92% of parents reported sleep improvements when using this Zen Sack™ Weighted Sleep Sack.*
*As per consumer research conducted from 2020–2023 involving parents who use Zen Sleepwear products for their infants.
Read LessQueries Related to Zen Sack™ Classic | Wearable Newborn Sleep Sack
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How much weight is in the Zen Sack® Classic sleep sack?
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What’s the difference between Nested Bean weighted Sleep Sack products?
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Are Nested Bean weighted baby sleep sacks safe for babies who roll over?
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What is the Cuddle Effect™, and how do Nested Bean sleep sacks trigger it?
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Are Nested Bean Weighted Sleep Sacks safety tested?
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When should I start using a Zen Sack™ Weighted Sleep Sack?
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How quickly do Zen Sack™ Weighted Sleep Sacks work?
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What is TOG and how does it differ between Zen Sacks?
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What is the Grow-with-Me feature in Nested Bean sleep sacks?
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Are Zen Sack™ Weighted Sleep Sacks machine washable?
Zen Sack™, the only weighted sleep sack you’ll ever need
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.