Jocko Willink, retired Navy SEAL, Part II of II: Sleep, fasting, raising kids, discipline, taking ownership, and the impact of war

Lead a family and your kids the same way you'd lead an organization or a team. If you bark orders at your team, your team doesn't like you, they don't respect you, and they're not going to carry out those orders with any sort of commitment.

Human beings can go 30 days without food. You can make it 36 hours. Do not worry. You're not gonna die.

Jocko does a 24-hour fast 1-2x a week and a 72-hour fast once per quarter.

On a typical night, Jocko goes to bed at 11 PM and wakes up at 4:30 AM.

Jocko takes a 8-minute nap twice a week.

A single night of sleep deprivation impairs the brain's ability to clear away amyloid plaques.

I look back at the most unhealthy period of my life when I was overweight and heavily insulin resistant... I had historically placed a lot of that blame just on my diet; I now believe at least half of that blame belongs on my sleep deprivation.

One of the things Peter focuses on as a parent is being open with his kids when he makes a mistake (like yelling at them) and apologizing when he does so.

Allulose is a miracle sweetener. It actually lowers your blood glucose levels.

More than 1 million people die every year in car accidents caused by humans, so why is it that when a driver-less car gets in an accident, it's front page news?

Peter does a 5-7 day fast once per quarter.

Of all the things that Sam Harris writes about, this is the one that bends my brain the most. But here's where I am today—I still don't know if I believe in free will.