Hmm, I am inclined to agree with PP, but will watch this thread with interest. My DD is nearly 2, and her night is now under 10 hours, sometimes under 9. We are putting her to bed, but she just plays and plays, still wakes early, and daytime nap not getting any longer....she does seem to be getting upset a little easily, but then is also easy to calm, so I don't know if she needs more sleep or not.