HBR Daily Stat // You Always Suspected It: Supervisors Take a Dim View of Late-Starting Employees

Bad news for those who would prefer to work later in the night rather than early in the morning:

In a study of nearly 300 workers and managers, employees who chose later daily start times than most of their colleagues in accordance with flextime policies were rated as lower performers by their supervisors, in comparison with employees who chose early start times, says a team led by Kai Chi Yam of Washington University. But supervisors who were self-reported "evening" people, preferring to sleep late on weekends, for example, showed no such bias toward late starters. The researchers suggest that in adopting flexible work schedules, companies train managers to put aside their morning biases so that employees don't suffer for choosing later start times.

Read more in HBR.