Why do people feel more tired after making many small decisions?
Some costs are paid with attention instead of money.
People often feel exhausted after making many small decisions because every choice consumes mental energy. The cost is invisible but accumulates throughout the day.
The decisions seem trivial.
Coffee or tea.
This route or that one.
Which shirt.
Which movie.
The hidden mechanism is decision fatigue.
Humans have limited cognitive resources.
Every choice spends a little attention.
Most people notice the exhaustion only later.
The body feels fine.
The mind does not.
People think important decisions are tiring.
Very often, exhaustion comes from hundreds of tiny ones.
