Recent quotes:

Why extreme focus is our greatest economic assett

The ability to perform deep work is becoming increasingly rare at exactly the same time it is becoming increasingly valuable in our economy. As a consequence, the few who cultivate this skill, and then make it the core of their working life, will thrive.

Want to enjoy the deep, mystical sleep of our ancestors? Turn your lights off at dusk. - The Washington Post

You have to be willing to revert to a Paleolithic pattern of sleep — and that means turning off your electric lights at dusk and leaving them off until dawn. Do that, and in about three week’s time, beginning around six hours after sunset each evening, you will find yourself experiencing a period of serene wakefulness that was once a nightly meditation retreat for all Homo sapiens on Earth. It’s a guarantee. It’s encoded in your genes.