ClarityKey by Dr S Pujah

Brain Fog at Work: Why High Performers Hit the Wall

There is a particular kind of Thursday afternoon that senior people recognise. You have been at your desk since seven. You have answered everything that was asked of you. And yet the document in front of you refuses to resolve into meaning, and the decision you have been circling since Tuesday is no closer than it was on Tuesday.

Most people call this brain fog at work, and then quietly file it as a personal failing. You assume you have lost your edge, or that tomorrow you simply need to try harder. That assumption is usually wrong. What changes in the second half of a demanding week is rarely the person. It is the number of open loops that person is carrying, and the shape of the day they are carrying them through.

If the experience is persistent, or it does not shift when your schedule does, it is worth raising with a qualified professional. This article is about something narrower and more practical: how work is organised, and which ordinary features of a senior role consume the capacity you were planning to spend on real thinking.

What follows is a set of things you can observe directly, on a calendar, in a message thread, in a meeting room. Each comes with a change you can make on your own this week, without your organisation agreeing to anything.

The decision volume nobody counts

Your job description lists responsibilities. It does not list the number of decisions those responsibilities generate between Sunday and Thursday. Approve the invoice. Choose between two candidates. Decide whether the client email is a complaint or a negotiation. Decide, at half past four, whether the deck is good enough to send.

Most of these are small, and none appears anywhere as work. But volume is the point. By the time the one decision that genuinely matters arrives, you are making it with whatever is left over, and you make it the way tired people do: you defer it, or you take the option that ends the conversation fastest.

The practical change is to stop deciding small things individually. Pick a category you touch constantly — spend below a threshold, leave requests, supplier queries — and write one rule for it that your team can apply without you. One rule removes twenty future decisions. You are not delegating the outcome; you are delegating the repetition.

Six channels, one attention

Count the places a colleague can reach you. Email, WhatsApp, a work messaging platform, a project tool, the phone itself, and whichever system the client insists on. Each holds a different part of the same project, and none holds all of it, so you carry the joins in your head.

The cost is not the messages. It is the re-entry. Every switch asks you to reload context: who this is, what was agreed, what you owe them. Do that forty times before lunch and the afternoon starts with your capacity already spent, though nothing difficult has happened yet.

Reduce the number of surfaces before you reduce the volume. Choose one channel per relationship and say so plainly: everything about this project goes in email, and I will reply there. Then batch. Two or three fixed windows for messages, and the rest of the day with notifications off, is achievable without a single policy change.

Meetings that end without a decision

Look back at last week and mark each meeting with what it actually produced. Some produced a decision. Some produced a next step with a name and a date attached. A significant number produced neither, and will be held again.

A meeting that ends without a decision does not end. It stays open, and you carry it. That is why a week of talking can leave you emptier than a week of building: nothing closed, so nothing was put down.

You can change this from inside the room even when you did not call the meeting. In the last five minutes, ask for the decision out loud: what have we decided, who owns it, by when. Say it once and let the silence sit. For meetings you do call, put the decision required in the invitation title.

Work that is never finished, only interrupted

Senior work rarely has edges. You do not complete the strategy; you stop working on it because a call starts. You do not finish the hiring plan; you leave it open in a tab, where it sits for eleven days, visible, unresolved, and quietly demanding.

Unfinished work behaves differently from finished work. It keeps a claim on you. Twelve open items are not twelve tasks, they are twelve claims, and you carry them into every conversation you have that day.

Two changes help immediately. First, define a stopping point before you begin: not finish the plan, but draft the three roles and the budget range. Reaching a defined point closes the loop even when the project continues. Second, at the end of each day, write down where each open item stands in a sentence. Written down, it stops asking you to remember it.

A calendar with no white space, and a phone that never stops

Open your calendar and look for gaps. In most senior weeks in Dubai and Abu Dhabi there are none: meetings run back to back from nine, and the thinking is meant to happen in the fifteen minutes between two of them, or at ten at night, or on a flight.

The evening has stopped offering a boundary too. You are reachable at dinner, and you answer, because answering takes four seconds and seems harmless. The cost is not the four seconds. It is that the working day never formally ends, so nothing is ever set down.

Block two hours a week as a recurring appointment with a real name, such as Q4 planning, and defend it the way you would defend a client meeting. Then choose a nightly cut-off and make it visible: an away message from eight, and the phone charging in another room. Both are within your gift, and neither requires permission.

When you are the escalation point, and the role has quietly doubled

Notice how many threads stop moving when you are on a flight. If the answer is most of them, you have become the single escalation point, and the organisation has adapted to that rather than fixing it. Every unclear situation routes to you, which means your day is built from other people's interruptions.

Alongside this, most senior roles quietly double. You were hired to run one function and now hold three, because you absorbed the regional account, then the new market, then the team whose leader left in March. Nobody decided this and no document records it, so the workload looks, on paper, like the job you accepted.

Write the real role down this week: every area you currently own, and roughly what share of your week each consumes. That single page turns a vague sense of too much into a specific, discussable claim. Then pick one recurring escalation and name a deputy for it, publicly, so people learn a second route.

The room you think in

The physical setting is the part senior people most often overlook. The meeting room with no daylight and a table that seats fourteen. The open-plan desk under a vent, with a screen you cannot see properly after two o'clock. The air that has not moved since the morning.

None of this is trivial. Rooms shape the conversations held in them. A low, closed, noisy space tends to produce short, defensive exchanges; a room with daylight and air tends to produce longer, more careful ones. You are choosing where your hardest thinking happens, usually by accident.

Give your difficult work a better setting. Take the hard hour to a room with a window, or to a quiet space outside the office. Sit facing the room rather than a wall. Open a window for ten minutes before a long session. These are small adjustments, and their effect on the quality of the hour is easy to observe for yourself.

What to change first this week

Do not attempt all of this. Choose one thing, and choose it on the evidence in front of you. If your calendar has no gaps, book the two hours. If your inbox is eight channels deep, collapse it to one per relationship. If every thread stops when you travel, name a deputy. If you cannot say which of last week's meetings produced a decision, start asking the closing question.

Then give it two weeks and observe what is actually different, rather than how you feel about it on any single afternoon. Fewer open loops on Thursday. One difficult document that moved. A Friday that ends.

Most senior people find that a full week is not the problem; a week with no shape is. If you want a structured way to work through that, the Energy Clarity Workshop takes you through your own calendar, decision load and open loops in a single session, with the changes written down before you leave: https://claritykeyby.spujah.com/clarity-workshop

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