Removal of cellular waste from the brain, spinal cord & eyes (!) occurs mainly during deep sleep — a process called glymphatic clearance because it involves glia and resembles lymphatic clearance in the body.
Removal of cellular waste from the brain, spinal cord & eyes (!) occurs mainly during deep sleep — a process called glymphatic clearance because it involves glia and resembles lymphatic clearance in the body.
Glymphatic clearance is essential to reduce daytime brain fog, "bags under eyes" & offset dementia. It is most effective when: