Intense Sedation and Yawning. Regardless of if I smoke, vaporize or consume 4-AcO-DMT, based upon dosage stage I go through extreme yawning and come to feel quite sedated and sleepy. Probably the most I’ve at any time taken without delay time was 280mg of four-AcO-DMT and I yawned really hard for about an hour or so. Lithium - Lithium is commo