
Nested Bean sleep sacks are designed to help babies sleep longer and more soundly. The sacks are weighted to mimic the feel of a mother's touch, which has been shown to be an essential part of soothing newborns and aiding their transition from the womb. The sacks can be used to transition from full swaddle to arms-up in the net and eventually arms-out. While some parents have found success with these sacks, others have expressed concerns about the potential risks of deep sleep and rolling, as well as the safety of weighted sleep products in general.
| Characteristics | Values |
|---|---|
| Fabric | Soft, well-made, three layers |
| Weight | Gently weighted to mimic the feel of a hand on the baby's chest |
| Safety | Some sources claim it is unsafe due to weight and compression, but others disagree |
| Sizes | Varied, with sacks for babies up to 36 months old |
| Customer Service | Positive reviews for Nested Bean's customer service |
| Results | Varied results, with some babies sleeping longer and others showing no change |
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What You'll Learn

Safety concerns
Nested Bean sleep sacks are weighted sleep sacks designed to support soothing sleep for babies. While some users have reported positive experiences with the product, there are safety concerns that parents should be aware of.
Firstly, there is a potential risk of weighted sleep sacks increasing the time a baby spends in deep sleep. This is concerning because it may decrease their arousal rate and make it more difficult to wake them up. This is especially important in the event of an emergency or if the baby needs to be roused for any reason.
Secondly, there are concerns about the potential hazards of weighted sleep products on infant breathing. A safety study conducted on behalf of Nested Bean found that while a 1-ounce weight applied to an infant's chest did not present clear indications for or against potential breathing hazards, using 3- and 9.5-ounce weights may increase potential hazards and subsequent risk due to lower breathing rates and faster pulses.
Additionally, there has been limited scientific research into the safety of weighted infant sleep products. Federal regulators, medical experts, and safe-sleep advocates have warned of the potential dangers associated with these products, and major retailers such as Amazon, Walmart, and Target have pulled weighted sleep sacks from their shelves due to safety concerns.
Furthermore, it is important to note that the Nested Bean sleep sack may not be suitable for all babies. Some babies may roll over or get overheated while using the product, which could pose a safety risk. It is crucial to monitor your baby's comfort and adjust their sleeping environment accordingly.
When using any new product with your baby, it is essential to carefully consider the potential risks and benefits. Consult with your paediatrician or a trusted healthcare professional if you have any concerns about your baby's sleep or the products you are using.
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$18.26 $22.95

Transitioning from swaddling
Swaddling is a great way to help newborns adjust to life outside the womb by preventing their startle reflex from waking them up and keeping them feeling safe and secure. However, there comes a time when it can be more harmful than helpful, such as when the baby starts to roll over.
The Nested Bean Zen Sack is a weighted baby sleeping bag that can be used as a transition from swaddling. It has a gently weighted pad to mimic your touch and the snugness of a swaddle, which can make the transition much easier. The Zen Sack is super soft and cosy and has an all-around two-way zipper for easy diaper changes and adjustable "grow with me" snaps so your baby can use it for longer.
There are a few different approaches to transitioning from swaddling to the Zen Sack. One option is to go cold turkey, taking both arms out of the swaddle. This method can be challenging, as the first few nights may be rough, but it can also be successful. Another option is to start with one arm out of the swaddle for 1-4 weeks, allowing your baby to adjust slowly, and then transition to the Zen Sack once both arms are free. This method can take longer, but it may be gentler on your baby.
It is important to note that weighted sleep sacks have been pulled from major retailers like Amazon, Walmart, and Target due to safety concerns. However, some parents have used weighted sleep sacks without issue and found that they helped their babies sleep better. As always, it is important to consult with your pediatrician before starting any sleep-training program.
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Using in hot climates
The Zen Sack Premier is a great option for hot climates. It is made from bamboo, which is naturally moisture-wicking, keeping your baby cool and comfortable. The bamboo fibres are hollow, absorbing moisture and letting hot air out. The Zen Sack Premier is also hypoallergenic and antibacterial, with bamboo possessing a bio-agent that fights against the growth of bacteria on the fibre. It is also machine washable and can be air-dried or put in the dryer.
The Zen Sack is also available in cotton, which is another great option for warmer climates. The cotton Zen Sack is lightweight and perfect for a baby who gets sweaty. The Zen Sack Premier in bamboo is also available in a TOG 0.3 rating, which is the lightest weight and ideal for a warm climate.
The Zen Sack Classic is also lightweight, and some users have noted that it keeps their baby warm without needing to add a blanket. It is also noted as being a good option for a baby who gets very clingy during sleep regression.
The Zen One swaddle is another option to help your baby transition into warmer months.
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The importance of touch
The Nested Bean Sleep Sack is a swaddle transition product designed to help babies sleep through the night. It is made of three layers of fabric and features a bean on the chest to provide a snug fit. While some parents have found success using the Nested Bean Sleep Sack to improve their baby's sleep, others have raised safety concerns, particularly regarding the weighted beads.
Now, here is the requested content on the importance of touch:
The sense of touch is incredibly important for human development, from infancy through to adulthood. Positive touch interactions, such as skin-to-skin contact, massages, and cuddling, have been shown to have numerous benefits for both babies and their parents.
For babies, touch is their "first language". It helps them to feel loved, safe, and secure, forming a strong foundation for their social and emotional development. Touch also enhances babies' awareness of their bodies and their environment, improving their digestion, sleep patterns, and overall comfort. Research has shown that orphaned infants who experienced inadequate sensory stimulation exhibited impaired growth and cognitive development, as well as a higher incidence of infections and attachment disorders.
The benefits of touch extend beyond infancy. In animal studies, the amount of maternal licking received as a pup had a significant impact on the behaviour and physiology of adult rats. Similarly, physical interactions with other worms promoted growth and increased adult responsiveness to mechanosensory stimuli in the microscopic roundworm Caenorhabditis elegans.
For parents, touch is an essential tool for bonding with their babies and promoting their healthy development. By responding to their baby's cues and preferences during massage or cuddling, parents can build trust and strengthen their connection with their child. Skin-to-skin contact after birth can also help regulate the baby's temperature, heart rate, and breathing, while increasing the mother's relaxation hormones.
Overall, touch is a vital aspect of human interaction and development, fostering emotional connection, nurturing affection, and good health.
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Weight and compression
The Nested Bean sleep sack is designed to help babies sleep by mimicking the feel of a parent's hand resting gently on their chest or back. The weight of the sleep sack is intended to be comforting and soothing for the baby, creating what the company calls the "Cuddle Effect". The weight ranges from 1 to 5 ounces, depending on the size of the product, and is distributed across the chest or back. The weight is described as light and flexible, and the company claims that it will flatten underneath the baby's body, ensuring that it does not affect their movement or breathing.
However, there have been concerns raised about the safety of weighted sleep sacks, including the Nested Bean product. The American Academy of Pediatrics (AAP) has warned that placing weight on babies while they sleep could be dangerous and has specifically advised against the use of weighted sleep sacks and swaddles. They argue that these products could increase the risk of sudden infant death syndrome (SIDS) by making it more difficult for babies to arouse themselves in response to hazards. The AAP's concerns are based on the elastic and flexible nature of infants' rib cages, which could potentially be compressed by the added weight, affecting their breathing.
While federal regulators have not issued any warnings about deaths linked to weighted sleep sacks, there has been at least one reported case of an infant dying while wearing a weighted sleep sack. It is unclear, however, if the sleep sack played a direct role in the infant's death. Nested Bean maintains that their products are safe and comply with mandatory and voluntary safety standards. The company also provides detailed sizing guides to ensure that parents choose the correct sleep sack size for their baby's weight, length, and age, which is crucial for both comfort and safety.
It is important to note that the AAP's position on weighted sleep sacks is conservative and based on the potential risks associated with adding weight to an infant's sleep environment. While some parents have found success with the Nested Bean sleep sack, helping their babies sleep better and longer, others have reported that it made no difference to their baby's sleep. Ultimately, it is up to individual parents to decide if they feel comfortable using a weighted sleep sack, and it is always recommended to consult with a pediatrician before introducing any new sleep products for infants.
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Frequently asked questions
Nested Bean Sleep Sacks are generally considered safe, but there are some concerns about the potential risk of rolling and deep sleep increasing the risk of SIDS. It is recommended to stop using the sacks when babies show signs of rolling to reduce this risk.
The Zen One™ Classic Swaddle from Nested Bean can be used to transition from full swaddle to arms-up in the net and eventually arms-out. This helps with finger sucking to self-soothe.
Nested Bean Sleep Sacks are designed to simulate the pressure and feel of a mother's touch with lightly weighted parts. This can help soothe babies and aid their transition from the womb to the world, potentially improving sleep duration and quality.
Yes, there are several other options available on the market, including the Merlin Magic Sleep Suit and the Kyte Baby Sleep Tog. Some parents also use different types of swaddles or sacks, such as the starfish-style sleep sack.








































