08/27/2026
Hot take! And I support this... yes, there are exceptions as each baby has different needs, but prolonged swaddling do have negative effects aka a baby that cant regulate unless they are swaddled!
The sleep industry is targeting your vulnerability. As a developmental speech therapist I have an unpopular opinion: your baby needs to be unswaddled for sleep starting by 2â3 weeks, not 2-3 months
Swaddling can feel like magic in the early days.
It quiets the chaos. It helps babies settle. It gives exhausted parents a moment to breathe.
But hereâs the part we donât talk about enoughâŚ
Babies are supposed to move in their sleep.
That startle reflex everyone is trying to âfixâ?
Itâs not a flaw. Itâs part of how their undeveloped nervous system organizes and matures.
When we tightly swaddle day after day, night after night, we dampen that process. We override the very movements that help babies learn where their bodies are in space. Research has also shown that dampening the startle which reduces arousability also increases the risk of SIDS
Stretching. Startling. Bringing hands to face. Kicking. Turning the head.
Thatâs not disruption.
Thatâs development.
When movement is restricted for long stretches:
â Reflexes can take longer to integrate
â Muscles donât get the same opportunity to strengthen
â Head position stays more fixed, increasing risk of flat spots (which can lead to needing a helmet later on) or increase the risk of tortĂcolis
â Babies have fewer chances to practice natural repositioning
And over time, that âgood sleeperâ can become a baby who struggles more with movement, strength, and coordination. Or who struggles for longer to sleep without aids
Swaddling has a place, especially in the earliest days.
But it was never meant to be a long-term sleep solution.
By 2â3 weeks, babies benefit from more freedom than we often give them.
Because sleep isnât just about rest. Itâs also an active time of growth, wiring, and learning. So by the time they are developmentally able to roll theyâve already practiced all the skills they need to get there
Your baby doesnât need to be stilled to sleep well.
They need the space to move, to startle, to stretch
To become strong in their own body.
How long did you swaddle for?
Dixley A and Ball HL (2022) The effect of swaddling on infant sleep and arousal: A systematic review and narrative synthesis. Front. Pediatr. 10:1000180. doi: 10.3389/fped.2022.1000180
Dixley, A., & Ball, H. L. (2023). The impact of swaddling upon breastfeeding: A critical review. American Journal of Human Biology, 35(6), e23878. https://doi.org/10.1002/ajhb.23878
Nelson, A. M. (2017). Risks and Benefits of Swaddling Healthy Infants: An Integrative Review. MCN: The American Journal of Maternal/Child Nursing, 42(4), 216â225. https://doi.org/10.1097/NMC.0000000000000344