Look around you: the guy nodding off on the bus, the co-worker snoozing during a dull presentation, the people with heavy eyelids lined up at the coffee shop in mid-afternoon. Like them, your job may be leaving you sleep deprived -- and you may not even realize it. Excessive sleepiness can have serious consequences. You could doze off while waiting at a red light, for example. And not getting good sleep has been associated with high blood pressure, heart disease, diabetes, and weight gain.
