Sleeping on the job and showing up late....

will get you fired from almost any job.  They will also get you dismissed from jury duty.

The first rule of jury duty:

No tweeting about jury duty.

Compare and contrast

Check out Slate's article about the jury that convicted George Huguely of murdering Yeardley Love. Then read Elie Mystal's account of being on jury duty in New York. Or vice versa. In either order they are both interesting reading.