Dd is 10 months old and a good sleeper. However just lately she's been waking earlier than usual (6:30 which still isn't bad!) but then she's so so tired by about 9am that she's going for a 2 hour nap! Prior to this shed wake at about 7:30 and have a nap slightly later for about 1 hour and be much happier in general. Is there any way we can encourage her to go back to her old sleeping habits?