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100%Organic Bamboo GOTS Certified Shop now

  • SUSTAINABLE DREAMS

  • Wrap your Baby in Comfort
    In the World’s First 100% Bamboo Sleep Sack
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  • INNOVATION WITH PURPOSE

  • Small Acts, Big Impact

  • Learn more about our Serene Charity Program
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  • Premium quality

  • SUPERIOR CRAFTMANSHIP

  • Eco-conscious, Plant-Based Sleepwear for Little Ones
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icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified icon 100% Natural and Plant-Based GOTS Certified bamboo 100% Organic Bamboo OEKO-TEX Certified OEKO-TEX Certified Sustainable & Hypoallergenic & Thermoregulating Sustainable & Hypoallergenic & Thermoregulating CPSC Certified CPSC Certified

Thoughtfully crafted for sleep and the environment


sustainable dreams start here.

The Theta Pouch

Theta Pouch 100% Bamboo Baby Sleep Sack - Sage Green Theta Pouch 100% Bamboo Baby Sleep Sack - Sage Green
Quickshop Snuggle Up in Nature’s Softest Embrace  Where comfort meets care! Each sleep...
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Theta Pouch 100% Bamboo Baby Sleep Sack - Sage Green
$89.00
Theta Pouch 100% Bamboo Baby Sleep Sack - Dusty Pink Theta Pouch 100% Bamboo Baby Sleep Sack - Dusty Pink
Quickshop Snuggle Up in Nature’s Softest Embrace  Where comfort meets care! Each sleep...
Add to Cart
Theta Pouch 100% Bamboo Baby Sleep Sack - Dusty Pink
$89.00
Theta Pouch 100% Bamboo Baby Sleep Sack - Misty Blue Theta Pouch 100% Bamboo Baby Sleep Sack - Misty Blue
Quickshop Snuggle Up in Nature’s Softest Embrace  Where comfort meets care! Each sleep...
Add to Cart
Theta Pouch 100% Bamboo Baby Sleep Sack - Misty Blue
$89.00
Theta Pouch 100% Bamboo Baby Sleep Sack - Sand Dune Theta Pouch 100% Bamboo Baby Sleep Sack - Sand Dune
Quickshop Snuggle Up in Nature’s Softest Embrace  Where comfort meets care! Each sleep...
Add to Cart
Theta Pouch 100% Bamboo Baby Sleep Sack - Sand Dune
$89.00

Loved by Moms

Very beautiful, high quality, and functional.

Very beautiful, high quality, and functional. Our son sleep has improved dramatically since our nurse recommended this sleep sack to us.
Kaitlyn D., NY

Good Material

These sleep sacks are on another level! I can’t get over how soo soft they feel! I haven’t seen any material like this in baby items out in the market.
Leah R., CA

Best Purchase Decision

“Our baby has a very sensitive skin that easily gets irritated. But since switching to these sleep sacks, her skin is as clean and healthy as can be. We recommend them to all our friends who have babies.”
Yvonne K., CO

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The Sleep Theory

Introducing the Theta Pouch

A little pouch. So much thought.
Get to know the details behind our 100% bamboo sleep sack.

Shop the Theta Pouch

A closer look at the Theta Pouch

Thoughtful by design

Meet the World's First 100% Bamboo Sleep Sack

From the fabric to the finishing touches, explore what makes the Theta Pouch special.

Theta Pouch product benefits infographic

The details that matter

Certifications and Awards

Made for little dreamers

Meet your next bedtime favorite.

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SAFE FOR MOMMY AND BABY

why do we choose 100% bamboo

Elevate your baby's sleep experience with The Theta Pouch, a premium sleep sack, lovingly crafted from 100% organic bamboo fabric and filling. Offering unparalleled softness, breathability, and thermoregulation, our bamboo sleep sacks naturally adjust to your baby's temperature, ensuring they stay cool in summer and cozy in winter for safe, restful sleep all year round. Ideal for babies with allergies or sensitive skin, our dust-repellent and anti-bacterial fabric promotes a healthy sleep environment. Plus, with exceptional moisture-wicking properties, any nighttime diaper leaks are swiftly managed, allowing your little one to enjoy uninterrupted slumber.
Live naturally
Making Bedtime Enjoyable
This Patent Pending Theta Pouch features a built-in Serene Velcro Wrap that mimics the comforting embrace of a mother's hug, providing babies with an enhanced sense of safety and comfort. This design not only helps infants fall asleep more easily but also encourages longer, more restful sleep.
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100% Organic Bamboo Butter-soft comfort for your baby
Thermoregulating 35 x more breathable than cotton
Hypoallergenic & Anti-bacterial Perfect for sensitive skin
UV Protection With moisture-wicking properties
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SMALL ACTS, BIG IMPACT

More than a clothing brand

Pioneering sustainable sleep solutions that are free from toxins, cruelty-free, and responsibly sourced. When you choose to purchase from us, you are making a meaningful contribution to a safer and more sustainable future for our young dreamers. Your support helps create a world where every child can sleep soundly and safely.

Text describing the Serene Charity Program, which donates proceeds from each Theta Pouch purchase to fund lifesaving surgeries for children in need via Mercy Ships.
SERENE CHARITY PROGRAM
GIVING BACK IS WHAT DRIVES US

As moms, we understand the deep sense of desperation and helplessness that can arise when a child is unwell. Our unwavering commitment is to support mothers in need by ensuring that every Theta Pouch purchased helps fund lifesaving surgeries for underprivileged children through our partnership with the Mercy Ship Organization. Together, we can make a difference. Learn more about our Serene Charity Program and how your purchase contributes to this vital cause.

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Person standing on rocky outcrop along the ocean shoreline during low tide
SUSTAINABLE DIFFERENCE
DOING OUR PART TO PROTECT MOTHER EARTH

We are dedicated to reducing landfill waste and protecting our oceans by eliminating plastic from all our products and using sustainable packaging. By incorporating organic and ethical practices, we aim to provide your child with the best plant-based sleep products while safeguarding our farmers, your family, and the planet.

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Smiling mother gently zipping her baby into a green bamboo sleep sack while the baby lies comfortably on a bed.
Happy parents relaxing and smiling together while their baby sleeps peacefully in a green bamboo sleep sack nearby.
PEACE OF MIND

It's the joy of having a sleeping baby for us!

The Theta Pouch is an innovative 3-in-1 baby sleeping bag designed to adapt as your child grows from newborn to toddler, featuring a super soft and quiet "Serene" wrap that ensures comfort during the earliest stages of development. This versatile pouch allows for multiple dressing options, including both arms in, one arm out, or both arms out, making it ideal for infants who are beginning to roll and explore their surroundings. With optional arm snaps for transitional sleepers, the Theta Pouch not only promotes a secure fit but also supports healthy hip development, ensuring that both baby and caregiver enjoy a safe and snug experience throughout their journey together.
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About us

Live & Empower Consciously

The Sleep Theory USA is an all around sustainable brand located in the San Francisco Bay Area, CA.

Every step of our process from farm to production, to shipping follows sustainable and ethical practices.

Better for our farmers, their families and our planet.

We are a team of moms with science backgrounds dedicated to not only help improve sleep across the spectrum but also lift other moms up to embrace their full potential. One of our goals is to offer exceptional sleep solutions based on research, style, and technology.

More than just a clothing brand; we are a health and wellness movement passionate about the well being of children and the importance of a greener, eco-conscious lifestyle .

Thank you for joining us on this mission to uplift families and cultivate a brighter tomorrow for our children!


Xo, Gigi - Founder & Certified Pediatric Sleep Consultant

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