CASE STUDY
It is 11pm. I’m working on this complex financial model; there are about 20 Excel work sheets; I’m exhausted but also awake and wired. I’ve been drinking coffee and diet coke all day and my nerves feel frazzled. I’ve had on average 4.5 hours’ sleep for the past two weeks. The model doesn’t work, there’s an error in it but I can’t find it. I can barely even look at the screen, it’s all becoming a jumble and my eyes and head hurt.
I’ve been working since 8.30am on the same Excel model with about 40 minutes’ break all day. I’ve probably got two hours of work still to do once I fix this error, but I’ve been trying to fix it for the past hour. If I could think straight I’d probably do it in about 15 minutes but my mind is failing me. I ...
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