An international team of sleep researchers has found a link between grinding or clenching of teeth during sleep, known as bruxism and sleep apnea, which involves potentially deadly gaps in breathing
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bad-news-teeth-grinders
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-week-new-york
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health