What your daily routine should look like, according to science

Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email SIGN UP I would like to be emailed about offers, events and updates from The Independent. "It's paradoxical, but people who wash their hair a lot to get rid of oil are drying out their scalp and producing more oil," Lynne Goldberg, a dermatologist and the director of Boston Medical Center's hair clinic, told Business Insider. That's based on a set of guidelines compiled by an international group of scientists in 2015 and an observational study of close to 4,000 American adults, which found that people who ambled around for about two minutes every hour had a roughly 33 per cent lower risk of dying prematurely than those who sat all day. Like too much of anything, too much caffeine comes with risks, including migraine headaches, irritability, upset stomach, and even muscle tremors — so it's important to know how much you're getting. Before you tuck in for the night, make sure your sheets are clean open image in gallery Dirty bed sheets have been linked to increased acne Shutterstock Our beds can blossom into a "botanical park" of bacteria and fungus within as little as a week, New York University microbiologist Philip Tierno told Business Insider.