Thirty-four percent of Taiwanese office workers who were sufficiently awake to respond to a recent online survey confessed that they often doze off at work, according to the results of the survey released Thursday. The poll, conducted by the 360d human resources consulting company July 5-14, also found that 49 percent of the respondents habitually take a nap at lunchtime. The results of the poll on the habits of office workers show that 61 percent have never been late to work, while 22 percent said they might be late once a week. Twelve percent said they might be late more than twice a week, among whom, 30 percent said they arrive late almost every day. As for the reasons for tardiness, 55 percent cited 'oversleeping' as the cause, while 12 percent said they tend to be slow to get started after getting up and 10 percent said they have a hard time getting up early. In addition to taking a lunchtime nap, 71 percent sad they like to listen to music as a way to rouse themselves and stay energized, according to the survey. A total of 1,315 valid samples were collected in the online survey. 