Caffeine Diary

So here's my question...could it actually have been an accidental overdose? The autopsy results were "inconclusive", but wouldn't they have been able to tell how much of the sleeping pills had metabolized in his body? he wouldn't have burned all of them off if they caused his heart to stop, would they? it seems as if there were a hugely excessive amount of the drugs in his system, then it might have been a purposeful suicide, but if it were normal levels, maybe it really was just an accident?
still makes me sad. I loved watching him. :(