I used to struggle to switch off at nights. When I should have been closing down my brain I was indulging it with new information. Our brains are always hungry for info and stimulus, and mine doesn’t seem to want to taper off into slumber. One idea for a google search would lead to another, one news story would lead to another, one page of a book would lead to another - the information available to us is limitless. And as for the tyranny of the endless scroll of social media….
Many folk find reading a book, watching the TV or listening to the radio in bed to be relaxing and helps them wind down. I often find the opposite. It gives me more to think about.