Dr. Jason Singh says the time of day you prefer to shower may reveal clues about your sleep patterns, stress levels, and how ...

Few simple habits divide people as cleanly as the daily shower. Are you a creature of habit who needs that morning blast of water to function, or do you crave a pre-sleep rinse to wash the day away?

Matt Fuchs lives in Maryland and writes about health, science, and technology. Photo-Illustration by TIME (Source Images: Lourdes Balduque—Getty Images, Kirsty Pargeter via Canva.com, writerfantast ...