I am not an expert, so I might be missing something, but is this related to the finding that was reported in 2014 [1]? Is it the new development that now they

I am not an expert, so I might be missing something, but is this related to the finding that was reported in 2014 [1]? Is it the new development that now they have actually observed the glymphatic system at work? [1] [https://www.nytimes.com/2014/01/12/opinion/sunday/goodnight-sleep-clean.html](https://www.nytimes.com/2014/01/12/opinion/sunday/goodnight-sleep-clean.html) https://www.nytimes.com/2014/01/12/opinion/sunday/goodnight-...