The real reason your coworker sleeps soundly after evening espresso while you’re wide awake at 2 AM has nothing to do with willpower.
Your friend drinks espresso at 9 PM and sleeps like a baby while you’re up all night—here’s the genetic reason why.
Your afternoon coffee is giving you jet lag every single night—and no amount of melatonin can fix what caffeine destroys in your brain.
Your melatonin supplement is fighting a losing battle against your 2 PM coffee—and the biological war happening inside you is worse than you think.