Survey of 500 randomly selected HR managers also reveals most popular holidays, from Christmas to Columbus Day.
Sleep deficiency robs corporate North America of $63.2B in lost productivity.
Employees and managers report different perceptions of how salaries and bonuses are determined.
Nearly 40% of respondents say they work 50 hours or more per week. Of those, 18% work more than 60 hours per week.
The online job site's survey also finds financial services hiring pros are the best at spotting resume lies.
More than 40% of top performers say they'd have to find a new employer to advance their careers.
CDC study defines heavy drinking as eight or more drinks a week for women and 15 or more weekly for men.
One-third of respondents say they take 50% or less of their PTO; 48% say they're expected to be available for work while on vacation.
U.S. firms can learn from Latin American businesses that offer flexibility to futbol-obsessed workers.
Gallup's job creation index reaches a six-year high in May; private sector drives the trend.