"I woke up in Cedars-Sinai Hospital and, for probably three days, I knew nothing. I couldn't think, I couldn't talk. I could do nothing. My brain just shut down on me."
Osbourne blamed the breakdown on "doing too much of everything, thinking that I'm Superwoman".
"I just couldn't cope with anything and my family put me into a facility. And in this facility they diagnose you, and you do a lot of group therapy.
"The Talk' TV personalities pose with the award for Favorite Daytime TV Hosting Team at the People's Choice Awards. Photo / Getty
"The group therapy was the best, because there were other people suffering from the same thing. I didn't want to talk, didn't want to eat, didn't want to speak to anyone."