RubySnooze wrote:Could that be the problem?
Yep. If you spent much time without added moisture your nasal mucosa will rebel because it isn't what they have been used to. I have forgot to fill my water chamber and run out of water and have had the same symptoms you are having.
When the nasal mucosa are used to one thing (and like it) and they don't get it they will get irritated and what nasal mucosa do when they are irritated is act like they act when we have an allergy attack...with congestion, drainage, runny nose, sneezes, itches, etc.
Perhaps in addition to sleeping longer the ambient humidity in the house has changed maybe so that the machine is needing to use a little more water than in the past.
Get something like Simply Saline and use it frequently during the day to help rehydrate the nasal mucosa.
Google "cpap rhinitis" and you will see what I mean. If you have been doing well for all this time at this setting then your nose likes it and probably it got dried out somewhat and didn't like the change so now it's mad at you.
It will eventually forgive you and get back to normal but it may take a bit of time. For me it would take about 3 days and it was a miserable 3 days even with using Simply Saline. Hopefully you nose won't be so difficult.
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