Glossary

Term · Baby Basics

room-sharing

Also: room sharing, sharing a room

Keeping the baby's sleep space in the same room as an adult, but on a separate surface. The AAP recommends it for at least the first six months, ideally the first year.

In plain words

Room-sharing means the baby sleeps in the same room as a parent or caregiver, but on a separate sleep surface, such as a crib, bassinet, or play yard next to the bed. It is different from , where the baby sleeps in the adult bed. The AAP recommends room-sharing without bedsharing for at least the first six months, because it is linked with a lower risk of sudden infant death. It also makes night feeds and checks easier. The AAP describes a firm, flat surface with no soft bedding, pillows, or bumpers. A bassinet beside the bed is a common setup.

The deeper version

Room-sharing without bedsharing is the AAP's recommended sleep environment for infants in the first six months. The recommendation rests on case-control data showing lower sudden infant death risk when infants sleep in a parent's room rather than a separate room (Moon and colleagues, Pediatrics 2022). The 2022 AAP guidance pairs it with a firm, flat surface, supine positioning, no soft bedding, and breastfeeding. The protective association appears in observational data, and the relative contributions of room-sharing and separate-bed sleep are debated. Bedsharing risk varies with parent smoking, alcohol use, sofa sleeping, and infant prematurity. Exposure measurement in case-control studies is subject to recall bias.

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Sources

  • American Academy of Pediatrics, Task Force on Sudden Infant Death Syndrome — SIDS and Other Sleep-Related Infant Deaths: Updated 2022 Recommendations for a Safe Infant Sleeping Environment. Pediatrics (2022)

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