I chose it because it was available immediately and I was in a hurry. I didn't need it for sleep apnea, but to protect myself as much as possible (because I am very sensitive) from particles and odors from dental work in my mouth. With a little effort, I applied it correctly, so I give it 4 stars even though I didn't wear it for a long time to judge if it would bother me.

The issue is that I didn't breathe as well, but luckily the front circular ring rotates and I removed this plastic extension like a tube that is in front. I also secured a piece of regular mask with the help of the ring so that I don't inhale particles.

However, it turned out to be excessive overkill since I bought a simple mask that they sell in pharmacies, I cut a piece in the bottom part that corresponds to the mouth and wore that, and everything was fine.

Luckily, the dentist was familiar and wouldn't immediately call a psychiatrist if he saw it... and even better, he didn't need to see it (smile).

I have done a sleep study and I had tried a device with a mask that covered the mouth as well. Instinctively (without knowing why), I would wake up at night and remove it, so I abandoned it.

It helps me to sleep on my side. Maybe if I need to use a device again, I will try this nasal mask that I already have.

I don't know if the bipap devices, as they are called, which only provide air when needed, would be more tolerable for me.

I apologize if I bored you. I don't know if you benefited, but I hope at least you smiled...