Daydreaming is a weird thing.
I mean you can just lose you sight, hearing, taste, feeling of touch, smell... everything, and just go off on your fantasies.
Kinda like regular dreaming, but just while you are awake.
But the real question is... what is the difference between your regular dreams and daydreams?
I don't know, and I don't feel like looking this up either.
But I thought that I should leave this here, for you guys to think about.