Same same, it's the consequence of being "more efficient with AI" unfortunately. We've increased the amount of things we all create, but mental capacity stayed the same (because we're humans) so we have to process much more info.
What helps me from time to time is "mental offloading" - I basically sit for an hour and write down everything that bothers me, all unfinished thinkings and questions. And I'm not trying to solve them, I'm just putting them to the paper (or on my laptop / phone) to offload my mind and later I think about them in a more detailed way. I hope that helps!