Me too. For a little while it feels productive and nice because I often have good ideas, but then after half an hour or so, I want my brain to shut up so I can sleep.
A friend of mine told me she has a similar issue and has a special meditation that she does in bed to wind her brain down. I should email her, but if anyone has ways they deal with this issue, I'd love to hear them.
I absolutely do not think about stuff like that before I sleep - I try to spend at least an hour winding down with a book and peppermint tea or something similar.
I do however think about tough issues when I'm half asleep in the morning, reaching for the snooze button. (Sometimes it's counterproductive, making me want to snooze more to make the world go away, but I reach some surprising insights here - and then crystallise them in the shower, of course!)
I too use the book trick :) so to speak . Just 30 minutes of reading some SF before I go to sleep helps a lot. I then tend to think about the characters in the book or I imagine being on another planet :) . It really helps when I do that.
A friend of mine told me she has a similar issue and has a special meditation that she does in bed to wind her brain down. I should email her, but if anyone has ways they deal with this issue, I'd love to hear them.