Yes, sprints are fast, but it’s not what you think. The sprint is not an all-out, late-night, stack-of-pizza-boxes-on-the-conference-table affair. In fact, the sprint day only lasts from 10am to 5pm. You’ll have plenty of time to hang out with your family, meet up with friends, get a good night’s sleep — and yeah, stay caught up on those pesky emails.
That might be one of the most important paragraphs in the article.