I am taking a break from my experiment in sleep-reduction, although I will continue on a polyphasic schedule. I have been recently diagnosed with Mantle Cell Lymphoma, and on of the side effects is serious fatigue, so I currently sleep a good 8 or 9 hours a day. It still seems easiest for me to sleep in 80 or 90 minutes naps, which has been working out well in the hospital, what with the nurses showing up to take blood and vitals at all times of the day and night, so perhaps my Triphasic experiment has had more payoff than I would have otherwise thought.