I'm usually in bed 7-9 hours. Occasionally I sleep less, and very rarely more. Right now, I don't work so I usually sleep around 3-4am and wake between 10:30 an

I'm usually in bed 7-9 hours. Occasionally I sleep less, and very rarely more. Right now, I don't work so I usually sleep around 3-4am and wake between 10:30 and 12. I've always slept well so long as I'm not on a morning shift: In this case, I just let myself sleep most days. If I have to get up early, my sleep quality suffers even with good sleeping habits. The difference between the waking times is stark. In these cases, I just suffer through it.