I'm wondering...how do you set your alarm for 90 minute cycles? Do you estimate from the time you think you will fall asleep, and give yourself ten minutes before the cycles actually begin?
And what does anyone think of a 6/1.5 hour split? I won't be saving any time but it might provide me with a lot more energy. I haven't had much energy for a while. I also want to make sure I am getting enough sleep to support my growth.