Thank you for your question
My name is ***** ***** I have been a family lawyer for more than 30 years.
If you have Parental Responsibility for the child then you are allowed to be with her any times that parents are allowed on the ward - and usually on children's wards parents have open visiting.
However it is always open to the Nursing Staff to ask a parent to leave if that believe that the antagonism between the parents is haring the child (or other children on the ward
You cannot insist that you have one of the nights with her - and realistically it is unlikely to be in her interests for there to be any tension and changeovers whilst she is hospitalised.
That being the case you need to try and e conciliatory for the sake of your child.
This does not mean simply agreeing to whatever time you are offered, but it does mean that you must be the one who swallows the insults and proves that it is possible for both her parents to be on the ward and there to be no disruption.
Clearly if her mother is not with her - then you can and should be
Please ask if you need further details