Three questions about your important paper:
1. Do you know if this happens during NREM sleep, or REM sleep, or both?
2. Do you know if this happens at other blood barrier points besides the brain, such as the blood spinal chord barrier, blood retinal barrier, etc.
3. With 40% of the glymph wash being recycled, does that mean the glymph is also nurturing in some ways? We sleep for 8 hours. That is a lot of recycling of glymph.
UV PAPER http://www.daviddarling.info/encyclopedia/U/UV_origin_of_life.html
Catabolic and Anabolic evolved, but they did not blend.