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Mental fatigue but no physical fatigue?
Mental fatigue but no physical fatigue?
Some background information...

I went to a sleep clinic and my initial study numbers were:
3 obstructive, 4 central, 2 mixed apneas, 106 hypopneas in 5h45m of sleeping time, with a mean SaO2 of 96.4%

I went back for the CPAP titration and my numbers were:
2 obstructive, 10 central, 6 mixed apneas, 16 hypopneas in 5h of sleeping time, with a mean SaO2 of 97.3%

I didn't feel any difference in the morning of the titration but the doctor said my numbers improved.
But because I felt that wearing the CPAP mask and tube all night would be uncomfortable/inconvenient, I opted to get a dental appliance, which I wore for a month.
Unfortunately I didn't notice any improvement either.

I'm starting to wonder if maybe the fatigue that I have isn't purely caused by sleep apnea?
I've noticed that only my mind is fatigued. There are times where I would be going for a jog, and I would be struggling to stay awake and keep my eyes open, but my body seems to be fine and I can run without any muscle fatigue.

I'm curious about what other people have experienced in terms of fatigue on the mind and/or body.

I do have other health problems such as hyperthyroidism (which I take Tapazole for), and digestion problems as well (some intractable IBS).
So I'm starting to doubt if sleep apnea is my only problem.

Thanks all!
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