You slept poorly and feel unfocused, but don’t want to look unreliable. 
What should you do — and why? 

A coworker looks wired on energy drinks and is making mistakes. 
What is the safest response?

You’ve started a new medication and feel slightly drowsy. 
What is the correct action before starting work? 

You’re emotionally fired up after an argument at home. 
Why does this affect safety, and what should you do?