This group demonstrated a significant role of intracranial pressure in CFS.
but keep in mind that this is always a factor because even mild sleep apnea that most sleep labs cannot detect, can influence intracranial pressure in susceptible individuals:
Hi All!I was diagnosed with PTC a month ago, I am currently 33 weeks pregnant, when I was 23 weeks I had onset of blurry vision out of nowhere and saw an Ophthalmologist who told me I had pressure on my optic nerve & to see Neuro. So I saw Neuro they did an MRI w/o contrast & that came back normal. He then admitted me to th hospital to do more testing after having a lumbar puncture they diagnosed...
New Research: Total improvement after surgery for obstructive sleep apnea syndrome in a patient with concurrent malignant idiopathic intracranial hypertension.https://www.ncbi.nlm.nih.gov/pubmed/30117763Headaches, shunts, and obstructive sleep apnea: report of two cases.https://www.ncbi.nlm.nih.gov/pubmed/15028156