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What can I do at work to help someone when their concentration is worse when they are tired or stressed?

People come here to understand why something in everyday life feels harder, different or more costly than it should — and what might make it work better.

Short answer

Expect concentration to be affected by fatigue, stress and high cognitive demand.

What this can look like

Long focus after poor sleep, conflict or constant switching often costs more than it appears.

Why it can happen

Protect focus time, reduce unnecessary switching and make information easy to find. These are sensible controls for team quality and safety.

What might help

Protect focus time, limit avoidable interruption and break complex work into stages.

What the research helps explain

WHO describes burn-out as an occupational phenomenon linked to chronic workplace stress that has not been successfully managed. Australian guidance recognises that workload, control, support and work design affect wellbeing and performance; they are organisational responsibilities as well as individual experiences.

What can vary

Fatigue, cognitive changes and reduced capacity can have many causes. Do not diagnose burnout, depression or illness from work behaviour, or ask employees to disclose private health information to access fair work design.

For this situation

For you, review the work design before interpreting concentration as attitude.

More info and original sources

Poko summarises the relevance of public original sources and links out for anyone who wants to read more.