A nine year old boy from the NT suffered from snoring and sleep apnoea. The elimination diet revealed that a few food additives were responsible  sunset yellow (110), the bread preservative (282) and MSG (621). When he later developed the problem while avoiding his food triggers, fumes from a new mattress turned out to be the cause. – from Failsafe Newsletter #1. See http://www.chem-tox.com/beds/frame-beds.htm for hundreds of reports of health problems mostly in adults due to chemicals in new mattresses.