Ava has started to wake up at around 4am again, need resettling then wants to get up for the day at 6.30am!!

But then she still seems tired. She used to sleep until 7.30am. She doesn't nap much during the day ( a couple of half hours if I'm lucky) so she needs her nighttime sleep....so do I. The trouble is when she wants to get up for the day she'll just stand in her cot rattling the bars

and screaming. If I do controlled crying would she eventually lie back down and go to sleep? Any suggestions?