noctambulist
definition
a person who walks at night or is active during the night
example
As a noctambulist, she often roamed the quiet streets under the moonlight, finding peace in the stillness of the night.
synonyms
nightwalker,somnambulist,night owl
word origin — from Latin 'noctambulista', where 'noctis' means 'night' and 'ambulare' means 'to walk'