Going for something that is too soft will put the child in danger of suffocation while one that is too hard is not comfortable. (momdiscuss.com)
He was taken to Thomas Jefferson University Hospital where he was declared dead, believed to have died of suffocation caused by the sling. (philadelphiapersonalinjuryblog.com)
Not only can it increases the risk of suffocation in children, it can also lead to SIDS — Sudden Infant Death Syndrome. (newkidscenter.com)