My DD has always slept well, 6.30/6.45 until some time between 6-7 the next morning. Any night wakings she has always settled herself back off to sleep quickly without help, and has only required attention when poorly.
The last few nights she has woken around 4am chatting to herself in a very awake way. She then continues to do this for the entire morning every 15-30 minutes, possibly dozing inbetween (She's quiet anyway) then up for the day at her usual time of around 6.30. I wouldn't mind as she isn't crying, but she's definitely not asleep properly and seems to be very overtired now, refusing to nap and screaming in her cot. I'm just about to go and get her. Any ideas on why she might be doing this?