Why Am I Tired at Work?
Tiredness at work can come from short or disrupted sleep, shift timing, sustained workload, stress, or a setting that makes existing sleepiness more obvious. It can also reflect a health problem. Treat it as a practical work and health issue, rather than evidence that you lack motivation. NHLBI: how sleep deficiency affects health
Start with what the tiredness is doing
Are you losing concentration, making repeated mistakes or actually nodding off? Does it occur only in long meetings, or also during conversations and ordinary activities?
If you are struggling to stay awake, stop safety-critical tasks and follow workplace fatigue procedures. A second person checking your work is not a substitute for removing an unsafe exposure.
Find the arrangement that is squeezing sleep
Look beyond bedtime. Count the commute, unpaid evening work, on-call interruptions and early starts. If the roster leaves no realistic recovery window, personal sleep tips cannot solve the whole problem.
Identify who can change the constraint: a manager, client, roster coordinator or household member. Better Next Days calls this finding who owns the edge of the day.
Ask for a specific change
A useful request might be: “I have had very little sleep and am making concentration errors. Can we move the detailed review to tomorrow and agree which routine task I can complete today?” For hazardous duties, ask for removal or appropriate cover, not simply lighter expectations while continuing the same risk.
Make breaks real: step away from the active task, decide when you return, and avoid filling the whole pause with more work messages. Where practical, vary prolonged sedentary work and use a comfortable, adequately lit setting.
Include the trip home
Finish the plan at the front door, not at the time clock. If you may be too sleepy to drive, arrange a lift, public transport where appropriate, or another safe option before the shift ends. NHTSA: drowsy driving
Persistent tiredness despite adequate opportunity, repeated unintended sleep episodes, or symptoms such as snoring and gasping warrant assessment. Bring examples of work impairment and your actual schedule. NHLBI: assessing sleep deficiency
The aim is a workable arrangement for today and a better recovery opportunity tonight, with medical help when the pattern calls for it.
Related reading
The toolkit includes scripts for asking for a specific work adjustment instead of simply saying you are tired. Explore the free Better Next Days toolkit.
For a more complete approach to sleeping better, recovering properly and planning better days, explore Julian Talbot’s Better Nights, Better Next Days. Buy the book and companion pack.