Gold standard is in lab test don't go for home sleep studies

 Being a physician, proffession wise as I see many of the people who are obese my advice to all of them to get check for sleep apnea with in lab test because if you have mild or moderate sleep apnea oral appiances may help but home sleep studies cannot identify severe sleep apnea they show severe sleep apnea as moderate to severe sleep apnea which needs CPAP or BiPAP it is not identified through home sleep study. On other hand in lab tests we can do titration study to know which helps better. Therefore if anybody suspects sleep apnea please go for in lab study. Don't waste valuable time with oral appliances