The figure is up eight on yesterday's number.
12 patients were on trolleys in Naas General Hospital today, according to the INMO trolley watch figures.
It is up eight on yesterday's figure, which stood at four.
There were 396 patients waiting on a bed at hospitals around the country this morning.
The INMO's latest Trolleywatch has found 333 patients were waiting in emergency departments, while 63 were in wards elsewhere in the hospital.
Cork University Hospital had the highest number of patients on trolleys with 49 people waiting on a bed.
That was followed by 41 patients at University Hospital Limerick and 40 at University Hospital Galway.

Kildare Walk To Highlight Those Affected By "Bruising" Family Court System
Kildare Sports Clubs Encouraged To Apply For Funding Of Up To €750K
Gov. Intervention Sought After Athy LPT Cut By Over €200K
Kildare Ranks Fifth For "Most Stretched" Builders In Ireland
KCC Extend Completion Date Of Rathangan Estate To March 2027
Kfm Obituary Notices
Man U Legend Cantona Visits Newbridge Silverware
Cill Dara Le Gaeilge Receive €3K After Award Ceremony Win