+1 to everything that's been said about getting enough sleep. I'm also not a coffee guy, I get into work early and the first thing I drink is cold water. I intentionally keep a small mug at my desk, so whenever I feel the need I drain my mug and walk to the water cooler on the other side of the office. I also run the stairs to the bathrooms on the top floor, two at a time. Besides having a standing desk this is the most activity I get during the day. When I get back I refocus by alternating through different music genres/playlists.
for the cold water tips, I was doing back during my productive days.
Especially the idea of sitting far from the water cooler.
I should try the stair thing because I working on the 5th floor of a building without an elevator.
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