The “Anyone” artist admitted in the doc, “I’m really lucky to be alive.

The singer claims that she still struggles with her vision today as an effect of the overdose.

“There’s times I’ve felt, like, feeling survivor’s guilt.

Demi Lovato

You do ask yourself, ‘Why am I still here, why are others not?’

I have to realize that every day is a day that someone else doesn’t get.”

Lovato says she’s re-commited to her health, although she admitsshe’s not completely sober.

Demi Lovato smiling