Sudden Infant Death Syndrome (SIDS) also known as Crib Death, refers to the sudden and unexpected death of an apparently healthy infant under one year of age.Each week, 3 babies die of SIDS in Canada.  Such deaths usually occur while the child is sleeping and remain unexplained even after a full investigation. Nobody knows how to prevent SIDS, but the latest research shows that there are things you can do to make your baby safer and reduce the risk of SIDS.