A big CDC survey finds that 1 in 24 Americans admit to nodding off while driving at least once, reports AP. What's worse, officials think the number is probably higher because people often don't remember doing so. Men are more likely to fall asleep, as are those ages 25 to 34, and Texans in general, for reasons that aren't explained. Add it to the list of road dangers, along with people driving too fast or too slow, going the wrong way, texting, driving while drunk or stoned, driving with a lapdog, and, of course, making espresso in the car. (More sleep deprivation stories.)