The Puresleep product makes use of “mandibular positioning” technique to adjust the lower jaw slightly forward that creates an opening in the throat for air passage. However, Puresleep is a Class II medical device that required a prescription from a licensed physician.
The product might be a little costly be we are surprised at its effectiveness. Getting a prescription might be a little hassle for some but the good thing is that once you have tried it, there will be no regrets. Also, the company has a guarantee program if ever you are not satisfied with it.