By Kayla Casavant | The Duquesne Duke A late night cup of coffee can confuse your body’s ability to tell time, according to a recent study from the University of Colorado, Boulder. Kenneth Wright, a professor of Integrative Physiology at UC-Boulder, tested the effects of caffeine on the body’s ability to produce melatonin, the hormone that causes sleepiness. He found that consuming coffee delays production … Continue reading Caffeine alters internal clocks