Focus is the scarcest resource of the decade
23 minutes to recover deep focus after one interruption. Let's do the real math on what an unguarded phone costs.

The hidden cost of interruption
Gloria Mark's research at UC Irvine measured what an interruption costs: on average, 23 minutes to return to the previous level of focus. Not seconds — minutes.
Now do the math. If you check your phone 50 times a day (the average is higher) and even 10 of those checks happen while working or studying, your day is fragmented beyond repair. You didn't lose the 30 seconds of the check: you lost the depth of everything around it.
Attention residue: the silent poison
It gets worse. Sophie Leroy described attention residue: when you switch from task A to task B, part of your mind stays on A. Your phone on the desk — even face down, even off — produces this effect: a University of Texas study showed the mere visible presence of a smartphone reduces available cognitive capacity. Your brain knows a possible reward lives in there, and spends energy not thinking about it.
The multitasking myth
Multitasking doesn't exist; task switching does, and every switch has a cost. People who describe themselves as good multitaskers systematically score worse in tests — the feeling of productivity from hopping between things is exactly that: a feeling.
Rebuilding blocks of depth
The solution isn't a weekend detox (Monday resets everything). It's structural: blocks of time where interruptions are expensive, not impossible.
With Argine that translates into concrete plans: Bastion (1 minute every 30, 60-minute daily cap) for serious workdays; Monastery (30 seconds every 45 minutes) for the deep-work hours. And the timer only counts time the app really spends in the foreground — leaving pauses the seconds instantly — so the system is exactly as honest with you as you are with it.
Focus doesn't come back through willpower. It comes back through architecture: build an environment where getting distracted costs more than staying, and your brain — which is lazy — will choose to stay.