The Irish songstress, who spent abundant of 2011 annoying admirers with profane, array of baleful Twitter rants, canceled the 2012 bout dates on doctors' advice.
"With astronomic affliction I charge advertise that I accept to abolish all touring for the year as am actual unwell due to bipolar disorder," she writes on her website.
Sinead O'Connor Tattoo
Right afterwards her days-long alliance to Barry Herridge ended, Sinead had arrested into a hospital for depression, adage she was "routinely misdiagnosed" as bipolar.
In reality, she said, she suffered PTSD stemming from her childhood. Now it seems she's singing a altered tune and believes her problems are added serious.
"As you all apperceive I had a actual austere breakdown amid December and March and I had been brash by my doctor not to go on tour," O'Connor writes.
"So abominably I abandoned his admonition to my abundant detriment, attempting to be stronger than I absolutely am. I apologize aboveboard for any difficulties this may cause."
The Grammy champ says that she hopes to be able-bodied abundant to appear a planned Curtis Mayfield accolade at Manhattan's Lincoln Center in July.