The risk of sudden infant death syndrome (SIDS) among infants who co-sleep in the absence of hazardous circumstances is unclear and needs to be quantified. Combined individual-analysis of two population-based case-control studies of SIDS infants and controls comparable for age and time of last sleep. Parents of 400 SIDS infants and 1386 controls provided information from five English ... https://www.animationbengal.com/