Glossary

Term · Baby Basics

swaddling

Also: swaddle, swaddled baby

Wrapping a newborn snugly in a light blanket with the arms close to the body. Used to calm babies and support sleep, with rules about hip room and rolling.

In plain words

Swaddling means wrapping a newborn snugly in a light blanket with the arms held close to the body. Many families use it to calm a baby and help sleep, since it feels close to the womb. Swaddles are sized to the baby and loosened as the baby starts to move. Research on the calming effect is mixed. guidance allows swaddling only when the baby's hips can move freely and the wrap does not come loose or cover the face. Infants who roll over while swaddled can be at higher risk, so many pediatric organizations advise stopping swaddling once rolling starts. It is a comfort choice, not a requirement.

The deeper version

Swaddling is a tight or semi-tight wrap of the infant's trunk and arms, used as a soothing and sleep-promoting technique. Evidence for individual soothing components ranges from randomized trials and systematic reviews of swaddling to physiology experiments and small uncontrolled studies. Swaddling is associated with fewer arousals in some studies. Forced hip extension in a tight wrap is a recognized risk for , which is why hip-healthy wraps are recommended. Rolling while swaddled is associated with higher risk in observational work, and the AAP 2022 safe sleep policy advises stopping swaddling at the first signs of rolling.

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Sources

  • American Academy of Pediatrics — SIDS and Other Sleep-Related Infant Deaths: Updated 2022 Recommendations for a Safe Infant Sleeping Environment, Pediatrics 2022
  • American Academy of Orthopaedic Surgeons — Developmental Dysplasia of the Hip clinical practice guideline, 2014

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