Simple snoring cure could also slash risk of dementia by more than a third, researchers say 

CPAP involves wearing a mask at night connected to a bedside machine, costing around £500, that pumps pressurised air into the throat. This stops soft tissue in the throat from collapsing during sleep. https://www.dailymail.co.uk/health/article-9485213/Simple-snoring-cure-slash-risk-dementia-researchers-say.html?ns_mchannel=rss&ns_campaign=1490&ito=1490