SOURCE: Overdose Was A 'Wakeup Call' For Demi Lovato

Everyone knew Demi Lovato had fallen off the wagon after the release of her telling track Sober.
We did not know how bad it had gotten.
As we reported on Tuesday, the Cool For The Summer singer was hospitalized after an alleged overdose following a party at her Hollywood Hills home.
Related: Nurse Said Demi Was Using Meth
Thankfully it seems she's going to be OK. But it could have been infinitely worse -- we could have lost her forever.
That scary possibility was apparently not lost on Demi as a