Career strategists say the worst excuses for missing work are things you could control, like not getting enough sleep.

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There are good and bad reasons to miss a workday. Career strategists say taking time off to care for your health or for a loved one is acceptable. Using a lack of sleep or a missed train as an excuse not to go to work likely won't fly, they said.

There are about 260 workdays in a year. That means many full-time employees are expected to spend about 70% of their time in...

Continue Reading 6 valid reasons to miss work — and the excuses your boss won't go for, according to career experts