RUDE WORK EMAILS CAN CAUSE SLEEPLESS NIGHTS, LINGERING STRESS by Erik Lane | Sep 29, 2020 | DJ Blogs, Erik | 0 comments No doubt you’ve received a rude email at work – turns out, they can cause insomnia and anxiety. A new study has determined that impolite messages at work can have a negative effect on life off the clock, causing anxiety and restlessness. The study mapped out two types of rudeness: active, meaning there are directly demeaning, derogatory words being said; and passive, like ignoring requests or opinions. In either case, negative emotions often follow.