<human>: Could you distill the essence of the text into 1-3 sentences?

Hey all, 

We are having trouble with our 5 year old at bedtime. Firstly, there's a new baby in the house (8 weeks old) and I know for certain that is contributing to this problem. We have gotten past a few weeks worth of random "breakdowns" with her so it is getting better.

5 year olds bedtime is 8pm. Most nights she has a supervised bath with her new little brother around 7:30 pm, but that fluctuates up to an hour early depending on the baby's waking times. She wants to do bathtime with him so we are not forcing this on her. At bedtime we read her a story that she picks and then spend another 5 minutes attending to all the random things kindergartners tend to suddenly "need" at bedtime. Then say goodnight and that we will check on her in 10 minutes (she's scared of the dark and bad dreams despite having a good lamp in her room that we leave on). 

She used to settle to sleep in about 20 minutes, but now she can spend up to 2 hours having various problems come up and things going wrong and suddenly needing to have a deep and meaningful conversation with us. This becomes a major issue when I'm trying to get to bed early (same time as her basically) so that I can get enough rest and be ready for the frequent all-nighters my 8 week old is pulling at the moment that start sometimes as early as 10:30 pm. I end up having had no rest whatsoever and by the time my 5 year old is asleep I'm too tired to handle my 8 week old's restless nights and can't look after him properly. And dad needs sleep for work in the morning so it's all on me. 

Not planning to address this til just after Christmas (too much drama already to add arguing with my 5 year old to the mix) but I really have no idea how I'm going to approach this.
<bot>: 5 year old taking hours to settle to sleep at night preventing mum from being well rested enough to look after baby brother (8 weeks old) all nighters.