Mark Zuckerberg's daily routine as he turns 40, from regular jiu jitsu and MMA sessions to wearing the same outfit to work

• Mark Zuckerberg eliminates nonessential choices by doing things like wearing the same outfit daily.
• The Meta CEO's daily schedule includes jiujitsu and MMA training and one bad habit that many share.
• The first thing Zuckerberg does when he wakes up each morning at 8 is check his phone.

Between steering Meta through a "year of efficiency," trying to popularize Threads, and engaging in a "will they, won't they" with Elon Musk regarding an MMA cage-fight challenge, Mark Zuckerberg has had a lot on his plate over the last year.