How do you tell your boss you're tired?

Answer 1

If I am tired and don't want to go to the work, I say" Boss, I am too tired today to come in, Sorry"

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Of course, the boss might reply, "In that case, I'm too tired to pay you, now or forever, good bye".

Answer 2

You can politely let your boss know that you're feeling tired, mentioning that you might need a break or some time to recharge. It's important to communicate honestly while also showing that you're willing to continue working effectively once you're rested.