Okay...some more questions.
Are you male and of an age that the bathroom breaks in the middle of the night might be related to the prostate?
Do you have any pain issues that might be a factor in sleep quality and/or how you feel? Chronic pain is a real killer in terms of sleep...this one I have personal experience with. Doesn't have to be severe pain either...just little vague aches and pains can do it.
You have trouble staying sleep during the night????? How many time do you think you are waking up besides the bathroom break?
How long does it take you to go back to sleep?
5 or 6 hours of even solid sleep is probably not enough...for sure not enough if it's fragmented with multiple wake ups because the wake ups mess with the sleep cycles or sleep architecture. You don't get the need amounts of each sleep stage in the nice normal progression that the body needs for the restorative powers of sleep to work their magic.
Read this but just disregard the alcohol part of the discussion...substitute anything that disturbs sleep for the alcohol part.
It is a good explanation of why we need the normal cycles and quantity of sleep in the normal amounts.
https://www.sleepfoundation.org/article ... tity-sleep
I know we would all like to do some magic tweaks of the settings on the cpap machine and fix all our sleep problems and sometimes we can and sometimes we can't.
Doesn't stop us from at least trying though....The only thing that I see on your report that really stands out as a potential culprit is the pressure variations. Not so much that the pressure changes are disturbing the sleep but that the whatever the machine is responding to by increasing the pressure might be disturbing your sleep. Airway disturbances that maybe don't show up in the AHI or other data the machine gathers. It's not ranging around an awful lot but it is moving around within its range quite a bit.
If it were my report and I wanted to try tweaking things to see if it helped with my sleep or how I felt....I would increase the minimum and see if it stabilizes the pressure and prevents whatever is causing the machine to roam around.
I can't guarantee that it will help but it is something to try that might help and won't hurt...and thus worthwhile to try.
I would start with increasing the minimum to 7 cm if at all possible...if not start lower and work up to 7 cm. See what happens...give it at least a week unless something bad happens (like air in the belly).
Also in the meantime take a hard look at your sleep hygiene...good and bad and be honest with yourself. Most people need more than 5 or 6 hours to feel their best. You need to get more sleep.
Finally...I want you to watch all the videos here because I want you to learn how to spot arousal breathing in your flow rate graphs even if you aren't having flagged events.
http://freecpapadvice.com/sleepyhead-free-software
It's quite an education and not fast and I will help you try to learn to spot the differences.
The reason I want you to be able to spot arousal breathing is because just having arousals messes with sleep and we don't always remember the arousal...but the damage to the sleep quality is still done.
My AHI is always really low....and the few flags I might get are 90% arousal related BUT I always have a lot more evidence of arousals happening without events. Sometimes 20 to 25 arousals and that's part of the reason I don't feel so great but in my case I know what is causing the arousals. You may not know the culprit's name but it still messes with sleep if you have a lot of arousals.
Now some wake ups are normal....like it's normal to wake after a REM cycle...but if your sleep quality is really crappy you may not even get much REM.
I can't promise to fix your problem...but we can still try some stuff and learn some stuff to see if we can stumble onto anything that might help or at least might explain why things aren't so great. Sometimes it does help just to know a reason behind something.
Like I discovered that my blood pressure medication which I always thought was rather benign without much in side effects...fatigue and trouble sleeping is a known side effect. I don't know how much of a factor it is in my fatigue or sleep issues but it is a potential factor and thus knowing it helps me accept things a bit...at least until I can either get off the meds or change the meds.
Thyroid meds are not well known to mess with sleep but it wouldn't be totally impossible for them to be a factor in sleep quality.
https://hypothyroidmom.com/18-things-th ... -insomnia/
https://www.verywellhealth.com/thyroid- ... rs-3014705
Did you know that your thyroid medication has a long list of potential side effects and one of them is fatigue?
https://www.mayoclinic.org/drugs-supple ... g-20072133
Damned if you do and damned if you don't kind of thing....I have first hand experience with that myself. My pain medication which comes with a may cause drowsiness sticker also has a little known and uncommon side effect of causing insomnia in some people.
I drew that short straw. If I take it at bedtime I sleep maybe 2 hours and then I am wide awake cleaning house at 2 AM....if I don't take it I am wide awake because of the pain but not cleaning house.
For that reason I have had to add something else for the pain at bedtime to help me sleep through pain better.
Is your thyroid med solely to blame for your issues...probably not solely but it might be a factor.