Productivity Gains and Health Pitfalls of Polyphasic Sleep Patterns
Da Vinci, Tesla, Edison thrived? Can we?

I believe Leonardo Da Vinci was superhuman. A version of a real Superman if I may insist.
He was a painter (Mona Lisa, Last Supper), architect, engineer, sculptor, writer, mathematician, anatomist, inventor (early flying machines), geologist, and botanist among other things.
I can’t quite understand how he did all these th…