Energy and habits
Sleep, habit streaks and decision fatigue: why your energy and your routines decide what gets done.
Diane
Nov 5, 2026
Plan by cognitive mode: stop organizing your day by project
A calendar organized by project ignores how much energy your brain can give at each moment. The cost of switching tasks, what David Kadavy proposes instead, and one action to take tonight.
Diane
Oct 22, 2026
Broke your habit streak? Why you quit, and what to track instead
One missed day resets your counter and you give up? It's not your willpower failing, it's the display. What the research says, and the measure that holds up.
Diane
Oct 22, 2026
Decision fatigue: why your to-do list wears you out before you start
You reread your list three times, answer two easy emails, and you're already tired by 10:30? What research actually says about decision fatigue, what really drains you, and a ten-minute exercise that lightens your week.
Diane
Oct 22, 2026
Sleep debt: the productivity problem no app can fix
Switching task apps but the slump comes back at the same hour? Understand sleep debt, why you can't feel it, and calculate yours in ten minutes.