(09-05-2018, 02:20 PM)sheepless Wrote: hello djabag.  wait for more opinions but here's my take: your charts look pretty good and sometimes it's good to leave well enough alone.  no harm in experimenting a little though so if you want to try something, try raising your min to 6-7cm.  you may find it easier to breathe than when pressure is 4 or 5cm plus it might reduce your residual obstructive apnea, hypopnea and flow limitations.