Hi all, first-time poster here. I’ve been using the Philips Respironics Dreamstation with the full-face nasal pillow mask for about 28 days. I have a short-ish, stubbly beard that initially did not cause a problem for mask fit. The first three weeks, I had AHIs of less than 1 and a mask fit hovering around 98-99%. The past week or so, I’ve had AHIs of about 2 or 3 with mask fits around 80%. I’ve been sure to keep my beard trimmed as I know this makes a difference. Is this just the mask nearing its shelf life, or is there something else I should be concerned with? Happy to clarify anything. Thanks!