For me two things consistently helped: - Light to medium exercise in the morning. I try to hit the sweetspot where I come home from the gym tired, but not exha

For me two things consistently helped: - Light to medium exercise in the morning. I try to hit the sweetspot where I come home from the gym tired, but not exhausted. A shower, breakfast and coffee jolt me back up and get me in the zone. - Doing short mindfulness meditation immediately before work. It's nice on its own, but I think the real value is in creating negative space between pre-work chores and work.