How well do you know you REM?

Well, I think that the first and only lucid dream I've had was thanks to a mixture of WILD+WBTB+DEILD, I was having a REALLY good dream and woke up cause I heard a noise, but didn't open my eyes or anything, I just went back to my dream thinking "I might get lucky and make it lucid" and well it happened (although my GF, who was in the dream kinda helped me out) anyways, I obviously became lucid because I did this during my REM cycle,
but it was in the weekend, so I don't really find myself sleeping at 9:00 am to often.

Anyways, have you guys found at what time(s) your REM cycle(s) start?

Umm... I don't mean to be a party pooper but REM cycles occur at about 90min intervals after falling asleep and it's almost impossible to hit REM right after falling asleep although you can get it in about 5mins if you learn to power-nap.

So I'm not sure if I should vote on this one?