J.C.
HI N.,
Wow...this scenario sounds just like MY daughter, who is now 3. She has never slept as much as I thought she should...but my husband doesn't require much sleep so I think she may be the same. We do the same thing...put her to bed at 8:30 and I can hear her playing in bed. We don't give her any toys, but she can still talk and play by herself in bed! Some nights, she'll fall asleep fast, but others, it takes HOURS. There have been times when I've gone to bed at 10:30-11:00 and can still hear her talking and playing.
We've tried alot of things but not everythign has worked for us consistently. The best thing that HAS worked for us is to skip her daytime naps. We've noticed that when she goes to daycare and gets a nap, she stays up later. On the weekends, we skip her nap and when she goes to bed, she falls asleep right away. Maybe your daughter is ready to give up that nap? Not sure...
Sorry, I don't have much advice, but to say that we've decided to just let it go. We figure if she's tired, she'll sleep! As long as there aren't any toys in her room or in bed with her, she'll eventually fall asleep. So maybe make sure your daughter doesn't have any toys to play with to help her 'wind down.'
You are NOT alone though! Good luck!
J.