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Updated: Jul 18, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Clinical inquiries: What are safe sleeping arrangements for infants?
Michelle R Adler1, Abbas Hyderi, Andrew Hamilton
1Department of Family Medicine, Oregon Health and Science University, Portland, OR, USA.
Insights
Sudden infant death syndrome (SIDS) risk increases with non-supine sleep, bed sharing, and parental tobacco use. Avoid co-sleeping, especially with newborns, and separate sleep environments to reduce SIDS risk.
Area of Science:
- Pediatrics
- Public Health
- Sleep Medicine
Background:
- Sudden infant death syndrome (SIDS) remains a significant concern in infant mortality.
- Known risk factors include non-supine sleep position and parental tobacco use.
Purpose of the Study:
- To review the association between infant sleep practices and SIDS risk.
- To highlight modifiable risk factors for SIDS prevention.
Main Methods:
- Literature review of recent studies on SIDS risk factors.
- Analysis of evidence regarding co-sleeping, sleep environment, and bedding accessories.
Main Results:
- Co-sleeping (bed sharing) slightly increases SIDS risk, particularly for infants under 11 weeks.
- The risk associated with bed sharing is amplified in households with tobacco use.
- Sleeping in a separate room or on unsafe surfaces (couch, armchair) increases SIDS risk.
- Bedding accessories like duvets and pillows may elevate SIDS risk.
Conclusions:
- Non-supine sleep, bed sharing, parental smoking, and unsafe sleep environments are associated with increased SIDS risk.
- Recommendations for safe infant sleep should emphasize avoiding bed sharing, especially for young infants and in tobacco-using households.
- Caregivers should be educated on SIDS risk reduction strategies, including safe sleep environments and avoiding potentially hazardous bedding.
Abstract:
Non-supine sleep position and parental tobacco use are known risk factors for sudden infant death syndrome (SIDS). Recent studies show that co-sleeping (bed sharing) slightly increases the overall risk of SIDS (strength of recommendation [SOR]: B) and is greatest for infants less than 11 weeks old (SOR: B). The relationship between bed sharing and SIDS is strongest for infants whose parents use tobacco (SOR: B). Infants who sleep in a room separate from their caregivers or on a couch or an armchair are at increased risk for SIDS (SOR: B). Using bedding accessories such as duvets or pillows may increase an infant's risk of SIDS (SOR: B).
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