Burnout
Workaholic

Burnout is not a simple result of long hours. The cynicism, depression, and lethargy of burnout usually result when you don't have control over how you carry out your job, you're working toward goals that don't resonate with you, and you lack social support. If you don't tailor your responsibilities to match your true calling, or at least take a break once in a while, you could face a mountain of mental and physical health problems.