25 mo DD has always been a pretty good sleeper but is now taking up to 90 minutes to go to sleep at night. She has an hour nap (which we've capped for a few months now) between 1 and 2pm and usually goes to sleep well for this but she is now fighting her sleep in the evening and playing and chatting in her bed(once asleep she sleeps through). We've tried a few times without the nap in the day and she has been fine and we've put her to bed earlier, with her falling asleep within minutes. The reason I am reluctant to drop the nap is because she goes to sleep for it so well, does this indicate she still needs it even though she is happy enough on the days when she doesn't have a nap?