Ridiculously late going to sleep

[GEM33]

Please be gentle with me!
My 20 month dd is and always has been a rubbish sleeper however we have always tried to have a good routine with her and bedtimes were aimed at about 8 as it suited all our lifestyles.
I don't know if its the heat or another developmental period in her life but dd refuses to fall asleep for the last few weeks and is not going to sleep until 11pm on a good night and midnight/ 1am bad nights. It's like she just can't settle. She tries and tosses and turns but just can't fall asleep.we have a fan on and she only sleeps in nappy. She can't even boob to sleep.
She has 2-3 hour nap from 130 ish.
I don't need to be told this is a ridiculous time and that they need their sleep. But has anyone else experienced similar?

What time does she wake in the morning?

PS from 20 months my DD has only slept from 9ish. Some are night owls! 1am would kill me though, I'm a lark!

she wakes any where between 7 to 1030am. sometimes she does have quite late naps and im not surprised on those days that she isnt tired enough to sleep but on days when she only has 90 mins nap and she is up by 430 i would expect her to go to sleep before 11 but she wont! this has only be going on since the nights have gone lighter and hotter.

oh and she still wakes every hour through the night

If she wakes at 7 am does she settle earlier that night? I've found no real correlation between nap time ending and settling to sleep but late starts make a difference. I'd get her up at 7 or whatever suits each day. Nap at a set time and a v relaxing bedtime routine aiming for bed at say 9/10ish - you could then try and bring it forward.

How do you settle her now? When my DD was 21 months (now 2.4) we sat with her. slowly we made excuses. "Mummy will be back shortly - she needs to phone Nana" or something like that. Now she is put down at 8 (even if no nap) and we go up maybe 3/4 times before she drops off. This is usually about 9/9.30. Not ideal but we get a nap out of her, a break in the evening and she self settles. HTH and good luck!

Thanks so much for your help. I'll try that and see how we go. I do think the later starts haven't helped x

I usually try to think of their day as a 12 hour slot. So if they wake at 7am then their bedtime would be 7pm etc. So nice as it is to say have a 10.30 wake up time, you couldn't then expect her to go to bed early. (I am just using that as an extreme example as I don't know how frequent those late wake ups are).

At 20 months I think she should still need her nap, but you could try limiting it to 2 hours max.

I am no expert, but I think what I would do would be decide what time you would like to be her bedtime and work back. So if you would like her in bed by 8pm then you will have to be religious about waking her at 8am each day. Then she would probably have a nap after lunch from say 12.30/1 to 2.30/3 and should then be tired enough to go down at 8. She may need the nap slightly earlier and be able to do a longer stretch in the afternoon which would tire her out for bedtime.

My dd went through a phase of chatting for ages after she went to bed and also not going to sleep at nap time. It only lasted a few weeks and we swooped her gro bag for a duvet in her cot which I think she found Nice and snuggly....sorry not much use in this hot weather but may be worth trying in the autumn.

At that age my dd was waking around 7.30/8am, having a post lunch nap and going to bed at 7.30. When she went through the chatting phase she wasnt falling asleep until 9ish so actually that would be similar to your dd just on an earlier cycle.

Good luck.