Well, this was like a decade and half back, so I don't have "enough data". :-) You're right, that's what I am saying. I think I just got the amount of sleep I n

Well, this was like a decade and half back, so I don't have "enough data". :-) You're right, that's what I am saying. I think I just got the amount of sleep I needed at night (which means I woke up at around 7). This is not a technique to reduce sleep, but to learn better.