[crispyambulance]

I've found it helpful to wake up at the same (early) time everyday no matter what and then rely on my body to "tell me" when it's time for sleep. This keeps me lined up on a steady circadian rhythm. If it gets disrupted, that's OK, it snaps back in day or two as long as I stick to the same wake-up time.

It's much harder to do this with a prescribed "bed time" if you're not ready, it's really hard to sleep.