The Irish Nurses and Midwives Organisation is once again calling for a long-term plan to tackle overcrowding.
It says "band-aid measures" do not address the issues affecting the country's hospitals.
Sligo and Letterkenny University Hospitals have both seen a surge in numbers waiting for beds throughout the last week.
This week alone, there were 139 people on trollies in Sligo, while 97 were in Letterkenny.
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Phil Ní Sheaghdha - General Secretary of the INMO - says it's time for a full review of Ireland's acute hospitals:
