Dell Technologies CEO and founder Michael Dell.
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- Michael Dell says humor is vital and workers need to laugh and play and relax sometimes.
- The Dell Technologies chief said people shouldn't always listen to their parents' advice.
- Dell said he goes to sleep early, works out around dawn, and enjoys Texas barbecue.
Laugh and play pranks, balance work with downtime, and don't always listen to your parents' advice, Michael Dell says.
The Dell Technologies...