Andrew Huberman· PhD
He'll train for 20 or 30 minutes intensely with weights or just body weight movement doing a lot, he does burpees and push-ups and sit-ups and pull-ups and just kind of moving and kind of circuit type training. But where he's breathing really hard, the goal he always says is, I want to breathe hard for 30 minutes every day. And then afterwards he hydrates and drinks coffee and moves into his day.