It depends on your time-management and character. Trading is very stressful and you should keep your emotions. If you trade whole day, it's really unhealthy. But if you have certain timetable, it can be a perfect hobby!
Everything depends on the person doing trade. Those people who are strong in their mindset and the power of determination are stiff, those are successful people. Your time management and patience, these two characters must be exhibited by a trader so that things can run smoothly. Trading isnt easy task, hence keep these two shrimps alongside.