“If you want to be a Billionaire, Sleep as little as possible”.
It is true that many geniuses slept little. Many business sharks slept even less. But then, How long can one last without adequate sleep? Adequate sleep is the only good formula for long-term maximization of your productivity, whether work or creativity. Yes, probably may of the people sleep for three hours and get a good productivity, But, is a heart attack at 40 worth all the billions? No, Health as we say comes before everything else. Love yourself first to love your work.
A biomechanical assessment may indicate that you would benefit from wearing an orthotic. Orthotics are prescription insoles which stabilize the foot holding it in the ideal position. Repositioning the foot alters the angles at which the foot strikes the surface. Wearing orthotics can improve corns and calluses, ankle sprains and knee, hip and back pain.