Of course some things are more important, like teaching our children that they are enough, as the great Marisa Peer would say.
Nevertheless, if each one of us decides to switch off the wifi at night, we protect our brain.
The bonus? Turning our cell phone on air plane mode at night.
In regard to brain health, I love the work of Jim Kwik, who is a brain expert after having overcome a brain injury when he was a child.