Currently I work 37.5 hours per week. I will be working 40 hours per week soon, a 6.6% increase in hours.

Given that I feel tired at the end of a 37.5 hour week, are there any strategies for transitioning to working increased hours?

I know that health and nutrition impact on concentration etc., so here is my background: office worker, 27 years old, good state of health, eats 5 fruit or veg a day.

closed as too broad by Lilienthal, gnat, Jim G., Philip Kendall, Dawny33 Feb 15 '16 at 20:58

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  • Depending on what your profession is, you could bring some snacks to drink/eat while you work (I do this). Maybe it's just me, but I feel it helps me concentrate. – Falgantil Feb 15 '16 at 10:59
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    Its two and a half extra hours, a half hour extra each day, I'm not sure you need to be approaching this as if it were the olympics ;) Try shifting your lunch break to 15 minutes later, then its only 15 minutes more at the end of the day, space your breaks out a little more etc etc etc – Moo Feb 15 '16 at 11:02
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    If you can, make the extra 30 mins in the morning rather than afternoon. I find the morning flies by but afternoon drags on. Also, if you're still leaving work at the same time you might not notice they extra time as much. – Richard Dalton Feb 15 '16 at 11:10
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    This is entirely personal and given the incredibly limited increase you're talking about there's really nothing useful to say with regards to general practices. "What are some tips for X?" questions are also off-topic on all of SE. – Lilienthal Feb 15 '16 at 12:13
  • @RichardDalton That's probably very much a personal thing - I tend to find its the other way round for me (but not everyday, either). – HorusKol Feb 15 '16 at 22:15

Going from a 37.5 hour work week to a 40 hour work week equates to an extra half hour each day. This means that you'll either need to arrive at work a half hour early or depart a half hour later, or shrink your lunch break.

At the margins, hunger and thirst will probably be your only concerns. I recommending packing some water and either fruit, vegetables, or granola so that you can resist the urge to go to the vending machine during that time when you would've been going home.


I am writing this seriously - if you are 27 years old, working 37.5 hours in an office job, eating right and healthy but tired at the end of a work week you may want to look at increasing the amount of sleep you get. Honestly, there are some jobs or odd shifts where 37.5 hours a week can realistically fatigue you but at your age an office job below 40 hours a week should not be too tough.

If you can determine why the current job tires you to such an extent you may find clues that help you answer your own question. Are you stressed from things like office politics, pace of work (constant tight deadlines, etc.), commute? If you can pinpoint what is causing your current fatigue level you can evaluate the new position to see if it will lessen fatigue despite having slightly longer hours. Sometimes the job itself can be energizing because you enjoy it, conversely one you hate can drain you.

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    +1 - I agree it likely isn't the number of working hours that is the problem - but the number of sleeping hours and out of work activities... – HorusKol Feb 15 '16 at 22:16

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