Latest figures from the INMO show just over 10 thousand patients, including 297 children, were admitted to hospital without a bed last month.
Yesterday there were over 700 patients left on trolleys.
Members of the Irish Nurses and Midwives Organisation’s gather in Killarney today for the union's Annual Delegate Conference.
General Secretary Phil Ni Sheaghdha says there is a chronic staffing crisis which needs to be addressed as a matter of urgency.
'The ask is fairly simple. We have been putting out all the stops and we have been through very busy years including providing services during Covid. They want real commitments on staffing and a funding mechanism to ensure that what is promised every year is delivered.'