>On the other hand, as pleasurable as sleep and dreaming are, I'd love to
>have as many of those hours back as possible.
Lucid dreaming helps reclaim sleep time. Of course, you can not re-tile your bathroom during this time; but any mental or creative work can be done. Or you can just use it as a vacation AFTER a full day of work.
It is, after all, a very advanced form of VR available now and without expensive equipment.
Telesis Foundation for Applied Memetics
CHAOSMOS: The Product is The Process