I really recommend the 8pm to 3am sleep pattern. I’ve been having great success with this in my personal life. At least the 9pm to 4am sleep pattern, for those who aren’t ready to make the jump. I think 7pm to 2am is also good, but 6pm to 1am is a bit extreme. Above all, I think during the hours of 9pm, 10pm, 11pm and 12am, no one should be awake... See more