My 2 year old hasn’t been the greatest of sleepers but before now has been fine actually going to bed, usually about 8pm and asleep normally within 10 mins without fuss she then used to wake a couple of times within the night and we could normally settle her. But in the last couple of weeks she has started having an absolute meltdown when we take her to bed uncontrollably sobbing and screaming to go downstairs to the point where she is almost sick which has been lasting hours until eventually we give in and take her Down and she then falls asleep on the sofa. If that wasn’t draining enough she has then been waking between 3-4am again screaming to go downstairs I have been leaving her to cry but then usually give in around 5am as we also have a 6 year old and she has been waking him. I also work full time and am completely drained, I just wish I knew what has caused this dramatic change and how to solve it 😩😠any help appreciated x