No, but I do have to blow it to clear mucus.

Yes, every day but I thought it was maybe the CPAPz

Mine runs off & on all day long.

Thank you CJJ they wanted to put me on for 18 hours one in my bedroom and one in my living room but said I would have to give up my portable ones hope your having a good day 🌹

Yes...if your doctor orders it. I have family members that have serious illness out of town. I need it to travel. 😎