Anyone who saw an episode of Mad Men had to notice the Sterling Cooper Agency workday hours. Sure, there were occasional late nights where Peggy and other junior copywriters spun their wheels all night trying to find a witty way to sell cola or toilet paper. But really, most days Don Draper was headed home before sunset. Fast-forward to the era when the show was filmed, not set, and putting boundaries around your workday feels as doable as the three-martini lunch.
Putting boundaries around your workday is vital. No, really.