When the afternoon slows down.

After lunch, you open the same document for the third time. The sentences feel long and the chair too comfortable. Your first thought often leads to the coffee machine. Before that, there is room for a simple question: what is actually happening today?

Alertness changes during the day

In its materials on day shifts, NIOSH notes that alertness can dip in the afternoon. That general observation does not mean every episode of strong or uncontrollable sleepiness is ordinary and can be ignored.

Notice the intensity and the circumstances. Slowing down slightly over a long spreadsheet is different from repeatedly falling asleep during a conversation or while working.

Plan a real break

Our organisational suggestion: if your work allows it, interrupt the same activity for a while. Step away from the screen, walk around or do a different, less demanding task. Treat this as an adjustment to your working day, not a guaranteed way to eliminate sleepiness.

Coffee is not the only option, and another cup may not address the cause. Before pouring one, notice how much caffeine you have already had and how late you usually consume it. We explore that in a separate article.

Safety cannot wait until evening

If your eyes are closing while driving or doing another hazardous activity, stop and arrange a safe way forward. A short break should not become an excuse to continue in an unsafe situation.

If you repeatedly experience marked daytime sleepiness, prepare an outline of your routine and make a doctor's appointment. Understanding the problem comes before finding a more effective productivity trick.

Something to try: set aside a place for an afternoon break in advance. Then see whether it suits your day. Do not use it to judge your performance or health; it is simply a slightly more sensible way to organise an ordinary afternoon.