People Who Should Never Drink Coffee, Say Dietitians



“It is understandable to reach for a cup of coffee (or more) after a poor night’s sleep, yet your coffee habit may perpetuate a cycle of poor sleep and fatigue,” says Heikkinen. “Even if you don’t think your afternoon coffee affects your sleep, it could indeed affect sleep quality. Avoid caffeine at least six hours before bedtime, as recommended by the Sleep Foundation.”