A lot of people rely on coffee to keep them awake and improve their focus. That’s because coffee contains caffeine, a natural stimulant that’s also found in tea and cacao plants. But if you’re a frequent coffee drinker and notice you’re feeling more tired, you might need to lay off coffee – experts say that caffeine can … Continue reading Feeling tired after enjoying a cup of coffee? You should probably limit your caffeine intake, advise researchers
