“A few cups of coffee will sober me up.” Only time allows the liver to metabolize alcohol 1 drink = 1 hour per drink. “I will just sleep for a couple of hours and then leave.” People often miscalculate how much they have drank over a given evening– returning home over the .08 limit. “I drive better when I have had a few drinks.” Peripheral vision is affected, (most accidents happen while crossing intersections). Depth perception – is also affected, judging distance at a stop light, (how far away is the other car), or running a red light.