First of all I would like to apologise for the inconvenience caused by this problem.
We take care to ensure that important matters such as this are properly managed and dealt with.
Levels 2 & 3 of the Luton LRC are silent floors and it may be advisable to study there out of staffed hours
http://lrweb.beds.ac.uk/libraryservices/availableservices/study-env
http://lrweb.beds.ac.uk/opening/ps-lrc
Overnight the study environment is monitored by security. Please report your concerns to them.