The worst time of day to be productive, according to new Slack research

If you’ve ever stifled a yawn during an afternoon meeting, you’re probably familiar with the 3 p.m. slump — that dreaded time of the day when it’s too early to clock out and too late to focus on work. 

Those post-lunch hours slow most people down, according to a new global survey from Salesforce subsidiary Slack and research firm Qualtrics.