According to a CareerBuilder survey, lack of sleep is the second most common cause for tardiness for employees, with 30% of employees citing it.

The most common cause cited for tardiness is traffic (50%). Rounding out the top 5 are:

  • bad weather (26%)
  • trying to get the kids to school or day care (12%)
  • public transportation issues (6%)

When asked how often they come in late to work, more than 1 in 5 workers (23%) admitted they do it at least once a month, and 14% say it’s a weekly occurrence for them.

More than 2,100 hiring and human resource managers and more than 3,000 workers across industries participated in the nationwide survey, conducted online by Harris Poll from November 4 to December 2, 2014.