Weirdly, I'm the opposite. It was quite the problem when I was a kid as I couldn't concentrate on what was in front of me, because what I was seeing in my head felt more 'real'. I had even conjured up my own mind video game that I would constantly play and expand the mechanics of. I think most of my childhood memories are daydreams.

I still sometimes visualise doing things and then struggle to know if I actually did said thing or just did it in my mind, but this is mitigated as I keep good notes of my activities so I can fact check my memory whenever I need to.