Hello! I'm so sorry it took me this long to reply and THANK YOU for your orginal reply. Your advice was really helpful and things just turned really hectic for a few weeks so I haven't had time to log on very much. To give you a quick update, I did start putting her down earlier and it was working. At just over 6 months, she was back to averaging 3hr A time and giving me 1.5hr naps. She wasn't fighting her sleeps and I got her back to a completely independent sleeper.
Her night sleep was still solid as well. I think this was also the time she was going through her 6 months growth spurt. Can these make LOs very tired? This particular week was the most sleep she has had - I actually thought something was wrong with her!!
Then after a week or so of great sleeps, the naps started shortening again and fast forward a few weeks and we are back at 35-40mins naps again. The difference is now that she doesn't fight sleep at all. She will happily go down independently in her cot. She just short naps. I started pushing her A times again 10-15mins at a time, and when I got to 4hrs she finally did a 1.5hr nap. So I've stayed there for a few days but she is back to waking after 40mins.
Her nights are decent still. She was waking between 3-4hrs after BT but as soon as I pushed out her morning A time closer to 4hrs - that NW has gone away. When her days are too long, I also get an EW which is 50/50 whether I can settle her. Anything over 12-12.5hr day and that EW creeps in again which makes sense after such little day sleep.
I still suspect she is quite LSN, is it crazy to keep pushing her A? It is driving me mad that she has only been doing 2x 40mins naps (my other 2 would have been besides themselves on such little daysleep)- but as usual she is happy as can be.
My only other thought is maybe she is waking hungry? How close to the nap should I try a top up feed? If I do it too close, she will fall asleep on me.