Sam Altman is back as CEO of OpenAI after a tumultuous few days at the company. He is one of many tech leaders obsessed with prolonging his life. He is also said to have prepared for worst-case scenarios like a deadly virus outbreak, nuclear war, AI attacks... with an arsenal of guns, gold, and supplies to survive. Whether it's eating, working, or sleeping, he's particular about the daily aspects and maximizing efficiency.

Below is the daily schedule as revealed by Altman himself.

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OpenAI CEO Sam Altman.

Morning

Altman drinks a large espresso first thing in the morning, but rarely eats breakfast. He says he fasts for 15 hours a day. When he reads emails, he uses a full-spectrum LED light for 10 to 15 minutes. He also avoids early morning meetings because that's when he's most productive.

During the day

Altman typically prefers afternoon meetings and finds them most effective in 15-20 minute or 2 hour meetings. The OpenAI CEO believes the default 1 hour meeting is a waste of time, so he avoids them as much as possible.

Altman seems to have a low opinion of meetings, saying that “90% of random meetings are a waste of time, although the other 10% actually make up for it.” He prefers to spend free time meeting and interacting with new people and ideas, and thinking about what to do.

He often makes to-do lists and prefers to write them on paper rather than on a computer. On his blog, the 38-year-old leader said it helps him keep track of what he wants to accomplish in a year, a month, or a day. Lists help him focus and multitask because he doesn’t have to keep so many things in mind. “If I’m not in the mood to do something, I always find something else appealing to do.”

He also had an espresso after lunch.

Evening

Despite his caffeine intake, sleep is one of the most important things for Altman to be able to work effectively. He avoids eating too much before bed and doesn't drink alcohol.

Since childhood, he has been a vegetarian, drinking nutritional drinks to supplement his diet, although he hates them. He also avoids foods that are bad for his stomach, such as super spicy, difficult to digest, and too much sugar. However, he has trouble resisting sweets.

Quarterly blood tests will help him know what vitamins to supplement. Sam Altman is said to have taken the diabetes drug metformin to slow aging.

When it comes to sleep, the OpenAI CEO uses a sleep tracker and prefers a cool, dark, quiet room with a soft mattress. If that’s not cold enough, he uses a cooling pad and often takes a sleeping pill to help him sleep more deeply.

Exercise

Altman likes to lift heavy weights three times a week for about an hour and sometimes do high-intensity interval training. Training helps him get in top shape, in addition to improving his productivity.

(According to Insider)