With the mask on, it’s like having a white noise machine at a volume of 3-4. My wife wasn’t getting enough sleep because of my snoring, so this white noise isn’

With the mask on, it’s like having a white noise machine at a volume of 3-4. My wife wasn’t getting enough sleep because of my snoring, so this white noise isn’t bothering her at all. I went with the doctor prescribed one, through insurance and have a Resmed Airsense 11. Did not explore second hand and I don’t think you can buy one without a prescription. I Change the mask every 3-4 months, but you can extend it as long as you wash it every 3-4 days.