Sleep positioners
Sleep positioners are not recommended by Keeping Babies Safe or First Candle/National SIDS Alliance, and have been known to suffocate children when they are not able to move their face away from the wedge

Recalled Sleep Positioners

Baby Matters Recalls Nap Nanny® Recliners Due to Entrapment, Suffocation and Fall Hazards; One Infant Death Reported (July 26, 2010)