Ask the research · Cognitive load

Why am I exhausted when “nothing happened” today?

“I didn’t do anything hard. I remembered the field trip form, the dentist, the snack rota, the birthday gift. Why do I feel wrung out?”

Short answer: working memory is small, it does not care whether a task is important, and family logistics fill it all day.

John Sweller’s cognitive load theory began as a theory of learning: people can hold only a few items in working memory at once, and effort spent holding things is effort not available for thinking. The finding generalizes. A parent holding “form due Friday, dentist Tuesday, snack rota, gift for Saturday” in mind is spending capacity continuously, whether or not any of those items is acted on today.

Sociologist Allison Daminger looked at how families actually divide this work and split it into four stages: anticipating needs, identifying options, deciding, and monitoring the result. Her interviews found that the first and last stages, anticipation and monitoring, are the least visible and the most unequally shared, and they are the ones that never stop.

The extended-mind argument (Clark and Chalmers) points at the fix: a notebook or a calendar that you trust is, functionally, part of your memory. The catch is trust. A calendar you have to double-check is another item to monitor.

What actually offloads it

  • One place, not three. A list you might forget to check is a monitoring task, not a relief.
  • Capture at the source. The moment the email arrives, not at bedtime from memory.
  • Confirm, don’t re-enter. Reviewing a proposed event takes seconds; typing it takes a minute and a decision.

How emoGlow uses it

The Binder exists for the capture step: forward the school email and the events, tasks and reminders are extracted and wait for a one-tap confirm. The family calendar is the one place. The design goal is not “another app to check” but fewer things held in mind by dinner.

Sources

  • Sweller, J. (1988). Cognitive load during problem solving: Effects on learning. Cognitive Science, 12(2), 257–285.
  • Daminger, A. (2019). The cognitive dimension of household labor. American Sociological Review, 84(4), 609–633.
  • Clark, A., & Chalmers, D. (1998). The extended mind. Analysis, 58(1), 7–19.

This is general information grounded in published research. It is not medical or psychological advice.