I suppose I'm on the opposite side of visualization spectrum. I can easily conjure images so realistic and detailed that they pass for the real thing. I can also add texture, smells, temperature, sound, etc. but I can't fake weight or pure white color which for some reason always turns out somewhat grey or beige.
I don't think much in words however, most of my thoughts are in images and sensations. Which does make verbal communication somewhat challenging at times.
Sometimes the realism of visualization worries me somewhat. Many mental processes have a tendency to get a bit out of conscious control, and it would be quite troublesome to no longer know which of the things I see are actually real. On the plus side, I can visualize paintings on my walls, without actually buying any! I like having no decorations in my home, which seems to confuse people. Perhaps I should start comparing it to a blank canvas...
In recent years I've run some experiments on what works for me and what doesn't. '6h for work - 9h for rest - 9h for whatever' division seems to work wonders for me, with one day off in a week.
Trying to sleep less than 9h just messes everything up, unless I divide the sleep into two sections. Funny how that works. Extra 1.5h of being awake, especially during the productive night hours, was quite nice. But I hate waking up, and doing that twice a day is just simply too much!