I learned that sharks sleep parts of their brain, like rolling blackouts; they can’t fall asleep because they can’t stop moving or they’ll suffocate. So they sleep sections of their brain at a time. So I do kind of a version of that, where I shut down brain centers. I literally tell myself, “Don’t logistically problem-solve for the next three hours, but you can talk to folks. Driving my kid home from school—don’t think about all the professional things you have to do.
Louis C.K., on how he manages his crazy busy life, in an interview with the A.V. Club. Shark-y brain sleep it is!