"に(して)" and the "for (purpose) に" clarification > * speaker has already gotten outa bed anyways, i'm gonna (fully) wake up, and just take a shower,... (purpose) anyways, I'm just taking a shower so i can (fully) wake up... the AB construction in question Is strictly only for that construction and nothing else? Otherwise is there a implied () to satisfy the movement verb requirement for the "in order to do something "? thanks

The particle indicates purpose. (It's not .) []{} here is a noun that means []{}[]{}, "shaking off one's sleepiness". I think is more like "First (of all)," and modifies , not .

>

_Lit._ "First of all, for (the purpose of) shaking off my sleepiness, I'll just take a shower and..."
→ "First of all I'll just take a shower to shake off my sleepiness and..."