I have od on propranolol in the past and am going to do so in an hour. It's incredibly debilitating. I've experienced hallucinations; dystonia in which my body was undressing itself without my control, hitting myself, pulling my hair out; slurred speech; insane dizziness that I fell out of bed and lay on the floor until someone found me because I couldn't move; and decreased breathing and heart rate. I'm sure I can do it properly this time. Its the most intense od I've ever taken.