We assume that working too much is bad for our health, but when it comes to effects on health, working long hours is not as bad as obsessing over work.
A study found that working long hours were not related to any health issues, while workaholism was.
A healthy relationship with work can be to work long hours, but not remain mentally pre-occupied with work. When work is done for the night, you should feel fulfilled and fall asleep easily.
An unhealthy relationship with work, on the other hand, is a compulsion to work hard and feel restless when not working. Continuing to ruminate about work and often finding it difficult to fall asleep and recharge before the next morning is a bad sign.
Loving your work can mitigate some of the risk associated with obsessing over it.