I think people miss the premise of this movie. Or maybe I'm reading too much into it but to me it's just the most perfect depiction of a dreamscape.
Sarah spends all day re-enacting her favourite book, gets home, gets yelled at, falls asleep. I don't think she ever even leaves her room. And the world fades in, no real begining, and that clock motif. Counting down till her parents come home from their date.
And the final scene with the clock bell tolling drags her out of it and makes her fall in the dream waking her up.
If you didn't notice all the stuffed toys in her room are all characters in the dream (well from the book).
10/10 from me