Depends on the application of course. A 5 minute sampling time for some applications (erosion and climate studies comes to mind) may be overkill. And a system t

Depends on the application of course. A 5 minute sampling time for some applications (erosion and climate studies comes to mind) may be overkill. And a system that needs to respond to random events would be designed differently, with external hardware interrupts as opposed to timed interval sleeps