
3:10
Brian Johnson broke his own 90-minute work rule with back-to-back deep sessions of 3.75 and 3.1 hours. He shares Lanny Basham's advice on riding momentum when you're on a roll, but warns that protecting shutdown time and sleep still matters more than chasing the streak.
Questions this video answers
No longer than 90 minutes straight without a break.
At least a 10–15 minute break.
20 ("this is actually the 20th plus one I've written today").
About 3.75 hours ("epic 3.75 hour deep work binge").
About 3.1 hours ("another 3.1 hour deep work binge").










