Ultimately, the best policy may be to understand and embrace your chronotype. Sah says that it’s incredibly difficult, if not impossible, to overcome your predisposition and train yourself to function better at times that don’t match up with your inner clock. “There’s very little evidence that anything really works,” she says. So, late risers can take heart: they are neither immoral nor slothful. But, as long as the world isn’t operating on their terms, and unless they’re lucky enough to work in a place that endorses flexible scheduling, the early birds may still get the worms. - nandina