Night Shift: Field Notes from 3AM Workers

We keep asking the people who work while the rest of us sleep. The pattern is unanimous: the enemy isn't tiredness. It's the oscillation — spikes of alertness followed by troughs that arrive mid-task.

An ICU nurse described her ideal curve as 'a table, not a mountain.' Flat, load-bearing, wide enough to set heavy things on.

That sentence now hangs in our formulation lab. It is the most precise product brief we have ever received.