Recently, Dogbert quipped a willingness to practice the same thing for 10,000 hours is a mental disorder.
I would agree. I am more impressed by those who work smart than those who work hard. It also has the very real possibility of pigeon-holing an individual.
For my .02, I say get enough sleep. And clear your mind for at least 30 minutes everyday in some way - meditation, exercise, whatever. Don’t think. You will be surprised how well it provides direction.