Why you hit a wall at three o'clock
Many people know the same point in the day: the morning goes fine, lunch gets eaten in a rush, and in the afternoon energy drops. Then the hand reaches for coffee, something sweet or an energy drink that lifts alertness for a moment. Soon the need returns.
Afternoon tiredness does not always have the same explanation. It may involve too long a gap between meals, the make-up of a meal, a poor night's sleep, stress, illness or medication.
This article does not turn one personal example into general advice. What matters more is looking at the whole afternoon rather than one drink.
