Dr. Gretchen Tietjen, MD is a Neurology Specialist in Toledo, OH and has over 37 years of experience in the medical field. Dr. Tietjen has more experience with headache and epilepsy than other specialists in her area. She graduated from University of Michigan Medical School medical school in 1984. She is affiliated with medical facilities such as ProMedica Toledo Children's Hospital and ProMedica Toledo Hospital.
What that suggests to me is that it may not be just microemboli . . . inducing an aura. It points to the presence of other vasoactive substances or hypoxia in the shunted blood playing a role.
Sleep promotes proper functioning of the glymphatic system, which clears waste products from the brain. In obstructive sleep apnea, there's disordered breathing, [which causes] periods of low oxygenation.