CDC: 73% of 3,400 US infant deaths linked to unsafe sleep

The CDC reports ~3,400 sudden unexpected infant deaths (SUID) annually in the US, with 73% involving unsafe sleep environments. Key risks include soft bedding (78%), non-standard sleep surfaces (75%), bed-sharing (59%), and stomach/side sleeping (46%). Experts recommend placing infants on their backs on firm, flat surfaces in a clutter-free crib.