There are nearly 500 people are waiting for beds in hospitals across the country this morning.
According to the INMO trolley watch figures 482 patients are without a bed.
355 patients are waiting in the emergency department, while 127 are in wards elsewhere in the hospital.
The worst hit hospitals are:
The figures come as the Irish Patients Association is calling for clarity on the impact tomorrow's strike by 10,000 health support workers will have on patients.
A 24-hour stoppage looks set to go ahead after talks between SIPTU, the HSE and Department of Public Expenditure at the Workplace Relations Commission yesterday failed to reach an agreement.