[header] How to tell if an employee is under stress [title] Take note of any changes to the employee's working day performance. [step] For example, he is suddenly not completing his work as usual and so he has to stay late or even take some if his work home. [title] Search for slower productivity--often a sign of employee stress. 
[step] If an employee is under a lot of stress, he will feel so overwhelmed that he cannot keep his usual pace of work because he is distracted by that same feeling of being overwhelmed. It's a vicious circle that he cannot escape from because his mind is consumed.