Introduction
Swaddling, the practice of wrapping a baby snugly in a blanket, has been a time-honored tradition across various cultures for centuries. New parents often hear about the benefits of swaddling, but understanding why it’s recommended can provide valuable insights into how it can support both the baby and the parent. This blog post delves into the reasons swaddling is recommended, backed by credible sources and research.

Table of Contents
Why Is Swaddling Recommended: The Basics of Swaddling
Swaddling involves wrapping a newborn in a light, breathable blanket with their arms tucked inside and their legs allowed some movement. The idea is to create a secure, womb-like environment that can help soothe and calm the baby. This technique has been used for generations, and while some modern parents may be hesitant, research supports its benefits when done correctly.
The Calming Reflex
One of the primary reasons swaddling is recommended is its ability to trigger the calming reflex in newborns. Dr. Harvey Karp, a renowned pediatrician and author of The Happiest Baby on the Block, describes the calming reflex as a “virtual off-switch” for crying. When a baby is swaddled, the gentle pressure around their body mimics the feeling of being in the womb, which can help reduce fussiness and promote relaxation.
Reducing the Startle Reflex
Newborns have a natural startle reflex, also known as the Moro reflex, which can cause them to suddenly jerk their arms and wake themselves up. This reflex can be unsettling for both the baby and the parents, especially during sleep. Swaddling helps to suppress the startle reflex by keeping the baby’s arms close to their body, allowing for more uninterrupted sleep.
According to the American Academy of Pediatrics (AAP), swaddling can be an effective method to help babies sleep longer and more soundly. By reducing the frequency of the startle reflex, babies are less likely to wake up unexpectedly, which can also help parents get more rest.
Promoting Better Sleep
Sleep is crucial for a baby’s development, and swaddling can play a significant role in promoting better sleep patterns. The snugness of the swaddle provides a sense of security, which can help babies fall asleep faster and stay asleep longer. This is especially beneficial during the first few months when babies are still adjusting to life outside the womb.
A study published in the Journal of Clinical Nursing found that swaddled infants slept more soundly and woke up less frequently compared to unswaddled infants. The researchers concluded that swaddling could be a useful technique for improving sleep quality in newborns.
Aiding in Temperature Regulation
Newborns are still developing their ability to regulate body temperature, making them more susceptible to feeling cold or overheated. Swaddling helps maintain a consistent body temperature by providing an extra layer of warmth without the risk of loose blankets, which can pose a suffocation hazard.
The AAP recommends using a light, breathable swaddle blanket to ensure the baby is comfortably warm without overheating. It’s important to monitor the baby’s temperature and adjust the swaddle as needed to prevent overheating, which can increase the risk of sudden infant death syndrome (SIDS).
Providing Comfort and Security
The transition from the womb to the outside world can be overwhelming for newborns. Swaddling helps recreate the snug, secure environment of the womb, which can provide comfort and reassurance to the baby. This sense of security can help reduce crying and improve overall mood, making the early days of parenting more manageable.
A review published in the journal Pediatrics highlighted that swaddling can help reduce crying and irritability in infants, particularly during the first few months of life. The review also noted that swaddling, when combined with other soothing techniques like white noise and gentle rocking, can be an effective strategy for calming fussy babies.
Supporting Breastfeeding
Swaddling can also play a role in supporting breastfeeding. When a baby is calm and content, they are more likely to latch properly and feed effectively. Swaddling before breastfeeding sessions can help reduce the baby’s stress levels, making the experience more positive for both the baby and the mother.
However, it’s important to note that swaddling should be done correctly and with care. According to La Leche League International, swaddling should not be too tight around the baby’s chest, as this can restrict breathing. Additionally, it’s recommended to swaddle the baby with their hands near their face, as this can facilitate the rooting reflex and help with successful latching.
Swaddling and SIDS Prevention
One of the most significant concerns for new parents is the risk of sudden infant death syndrome (SIDS). Research suggests that swaddling, when combined with safe sleep practices, can help reduce the risk of SIDS. The AAP emphasizes that swaddled babies should always be placed on their backs to sleep, as this position is associated with a lower risk of SIDS.
It’s also crucial to ensure that the swaddle is not too tight, especially around the baby’s hips. Tight swaddling can lead to hip dysplasia, a condition where the hip joint doesn’t develop properly. The International Hip Dysplasia Institute recommends using a swaddle that allows for healthy hip movement, such as a “hip-healthy” swaddle or a swaddle sack that leaves room for the baby’s legs to move freely.
When to Stop Swaddling
While swaddling offers many benefits, it’s not intended to be used indefinitely. As babies grow and develop, they become more active and begin to roll over, making swaddling less safe. The AAP advises parents to stop swaddling once the baby shows signs of rolling over, which typically occurs between 2 to 4 months of age.
At this stage, parents can transition to a sleep sack or wearable blanket, which provides warmth and comfort without the need for swaddling. This transition helps ensure that the baby can move freely and safely during sleep.
Conclusion
Swaddling is recommended for many reasons, from promoting better sleep and reducing the startle reflex to providing comfort and security for newborns. When done correctly, swaddling can be a valuable tool for new parents, helping to soothe and calm their baby during the early weeks of life. However, it’s essential to follow safe swaddling practices and be mindful of when it’s time to transition away from swaddling.
By understanding the benefits and best practices of swaddling, parents can make informed decisions that support their baby’s well-being and create a nurturing environment that fosters healthy sleep and development.
Sources:
- American Academy of Pediatrics. (2016). Safe Sleep Recommendations. AAP Publications. Retrieved from AAP Publications
- Karp, H. (2002). The Happiest Baby on the Block. Bantam Books.
- Journal of Clinical Nursing. (2007). Effects of swaddling on sleep and arousal. Journal of Clinical Nursing, 16(1), 95-102.
- Pediatrics. (2007). Swaddling and infant sleep practices. Pediatrics, 119(4), e920-e926.
- La Leche League International. (2018). Breastfeeding and Swaddling. LLLI. Retrieved from LLLI
- International Hip Dysplasia Institute. (2016). Safe Swaddling. IHDI. Retrieved from IHDI.