Why your 3pm slump is a scheduling problem, not a willpower problem
Chronotype research has been saying this for two decades. Most calendars still ignore it entirely.
Deep work in a room full of people
Noise is not the enemy. Unpredictable noise is. What the acoustics literature suggests you do about it.
Four desk stretches that undo a morning of hunching
No mat, no changing, no standing up in front of your colleagues. Ninety seconds in total.