[gherkinnn]

regarding sleeping

c) the person is dead

d) the person is doing breathing exercises

e) the person is relaxed, not asleep, and not pretending to be either

f) the person is in a psychoanalyst's couch

Similarly, one can be typing about for a thousand reasons, none of them about flow. Or one is in a stare of flow drawing boxes or just thinking.

[ithkuil]

Unfortunately I wasn't in the flow while I was typing the comment and thus didn't enumerate all edge cases