Singing legend Sinead O’Connor has been battling mental illness, and in a disturbing Facebook video she says she’s been reduced to living out of a motel room “in the arse end of New Jersey.”

“I’m all by myself, and there’s absolutely nobody in my life except my doctor, my psychiatrist, the sweetest man on Earth, who says I’m his hero, and that’s about the f- -king only thing keeping me alive at the moment, that I’m his bloody hero. . . . And that’s kind of pathetic,” she said. “For two years, my entire life has revolved around just not dying, and that’s not just living… Mental illness, it’s like drugs, it doesn’t give a s- -t who you are, and equally what’s worse, it’s the stigma, it doesn’t give a s- -t who you are. And suddenly all the people that are supposed to be loving you and taking care of you are treating you like s- -t.’’

One source who once worked with Sinead told The Post: “Whatever you think of Sinéad, she’s showing courage in laying bare her problems and shedding light on the fight millions have with depression. I hope she stays with us. She may save someone else’s life in the process.”

Watch the video below. We love you Sinead, take care of yourself: